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2509 Bélopolsky (A.), T. Wittram, A. Orbinski. Die totale Sonnenfinsterniss am 9. August, 1896, plates, 8vo (P.), 1897.

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2510 Bond (W. and G.) Occultations and eclipses observed at Dorchester and Cambridge, Mass., 4to, 1846.

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2511 Bremiker (C.) Bericht über die Beobachtung der Sonnenfinsterniss am 18. Juli 1860, 8vo (P.), 1860.

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2512 British Astronomical Association. The Indian eclipse, 1898, Jan. 22. Report, edited by E. Maunder, 62 engravings, roy8vo, cloth, 1899 (pub. 7s 6d).

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4to, 1885.

2513 The total solar eclipse, 1900, May 28, edited by E. Maunder, 92 plates and engravings, 8vo, cloth, 1901. 7s 6d 2514 Brown (A.) and A. Winterhalter. Annular eclipse of the sun, March 15-16, 1885, 3 plates,

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2515 Busch (A.) Beobachtungen und Wahrnehmungen, bei der totalen Sonnenfinsterniss am 28. Juli, 1851, plate, 8vo, 1852.

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2516 Campigneulles (V. de) Observations taken at Dumraon Behar, India, during the eclipse of the 22nd January, 1898, 14 plates, 4to, cloth, 1899 (pub. 10s 6d). 2517 Celoria (G.) Sull' eclissi solare totale del 3 giugno 1239, plate, 4to (P.), 1875. 2518

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2522 Deslandres (H.) Observations de l'éclipse totale du soleil du 16 avril 1893, 3 plates, 4to, 1896.

2521 De La Rue (W.) On the total solar eclipse of July 18th, 1860, observed at Rivabellosa, Spain, 13 plates, 4to, (P.), 1862.

Sopra alcuni eclissi di sole antichi e su quello di Agatocle, plate, 4to (P.), 1880. 2519 Cirera (R.) Notice sur l'observatoire et sur quelques observations de l'éclipse du 30 août 1905 (Mémoires de l'observatoire de l'Ebre no 1) plates, 4to, 1906. 2520 Darwin (L.), A. Schuster and E. Maunder. On the total solar eclipse of Aug. 29, 1886, 2 plates, 4to, 1889.

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2531 Ginzel (F.) Ueber einige historische, in altspanischen Geschichtsquellen erwaehnte Sonnenfinsternisse, plate, 8vo (P.), 1889.

Observations de l'éclipse totale de soleil du 29-30 août 1905, 4 plates, 8vo (P.), 1907. 25 2526 Draper (H.) The total solar eclipse, July 29, 1878, plate, 8vo (P.), 1878. 2527 Eclipses of the sun. A collection of 20 pamphlets by Abbe, A. Herschel, Janssen, Respighi, Tennant, Zoellner, from the library of W. De la Rue, 20 plates, 8vo, cloth, 1860-73. 5S 2528 Flammarion (C.) Les éclipses du 20e siècle visibles à Paris, 8vo (P.), 1899. 2529 Gautier (R.) L'éclipse totale de soleil du 30 aout 1905, 3 plates, 8vo (P.), 1905. 2530 Gilliss (J.) An account of the total eclipse of the sun on Sep. 7, 1858, observed near Olmos, Peru, plate, 4to, 1859.

2523 Donitch (N.) Observations de l'éclipse totale du soleil du 28 mai 1900 à Elche pres d'Alicante, 3 plates, imp8vo, 1901. Observations de l'éclipse annulaire du soleil du 16-17 Mars 1904 a Pnom-Penh, 8vo (P.), 1906.

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2532 Hale (G.) Observations of the total solar eclipse of May 28, 1900 at Wadesboro, N. C. 3 plates, 8vo (P.), 1900. IS 6d

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2533 Harvard College Observatory. Total eclipse of the moon, Jan. 28, 1888, plate, 4to (P.), 1890. 25 2534 Hirayama (S.) On the prediction of solar eclipses, 8vo (P.), 1898. 2535

(and K.) and K. Sotome. Report on the total eclipse of the sun, observed at Padang, Sumatra, on May 18, 1901, plates, 4to, 1903.

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2536 Janssen (J.) Rapport sur l'éclipse du 12 Déc. 1871 (Nelgherries), plate, 8vo (P.), 1873. 2537 Jungnitz (L.) Beobachtung der Mondes-Finsternis, den 22. Oct. 1790, 4to, 1790. 2538 Langley (S.) The total solar eclipse of July 29, 1878, observations at Pike's Peak, Colorado, plate, 4to n.d. and C. Abbot. The 1900 solar eclipse expedition of the Astrophysical Observatory of the Smithsonian Institution, 22 plates, 4to, 1904.

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2540 Lick Observatory. Reports on the observations of the total eclipse of the sun, Dec. 21-22, 1889, and of the total eclipse of the moon, July 22, 1888, 11 plates, 8vo, cloth, 1891. 5S Reports on the observations of the total eclipse of the sun of Jan. 1, 1889. 4 plates, 8vo, cloth, 1889.

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2542 Lockyer (J.) The total solar eclipse of August 9, 1896. Report on the expedition to Kioe Island, 4to, 1897.

2543

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On the results obtained in Novaya Zemlya with the prismatic camera during the eclipse of the sun, August 9th, 1896, plate, 4to, 1897.

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2544 Lockyer (J). Total eclipse of the sun, May 28, 1900. Account of the observations made by the Solar Physics Observatory eclipse expedition, at Santa Pola, Spain, 5 plates, 4to (P.), 1902. 4s and A. Pedler. Total eclipse of the sun, Jan. 22, 1898, observations at Viziadrug, 4to (P.), 1901. 6s 6d

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2546

and A. Schuster.

(P.), 1878.

Report on the total solar eclipse of April 6, 1875, 6 plates, 4to

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2547 Maedler (J.) L'eclipse solaire du 18 juillet 1860, 2 plates, 4to (P.), 1859. 2548 Maunder (E.) The total solar eclipse of August 9, 1896, 8vo (P.), 1896. 2549 Naegamvala (K.) Report on the total solar eclipse of Jan. 21-22, 1898 as observed at Jeur in Western India, 30 plates, 4to, 1902.

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2550 Observation de l'eclipse horizontale de lune, arrivée le 26 May, 1668, 4to (P.), 1668. 2551 Observations of the total solar eclipse of July 28, 1851 (by Airy, Robinson, Dunkin), 6 plates, 4to, 1852.

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2552 Oom (F.) O eclipse de sol de 1900 Maio 28 em Portugal, plates and maps, 4to, 1900. 2553 Perry (S.) Report of the observations of the total solar eclipse of Aug. 29, 1886, made at Carriacon, plate, 4to, 1889.

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2554 Pickering (W.) Total eclipse of the sun, Aug. 29, 1886, 4 plates, 4to (P.), 1886. 2555 Plantamour (E.) Observations de l'éclipse totale de soleil du 18 juillet 1860 à Castellon de la Plana, 3 plates, 8vo (P.), 1860.

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2556 Powell (G.) Total eclipse of the sun, 1896. The Novaya-Zembya observations, 2 plates, 4to, 1897. 3S 2557 Ranyard (A.) Observations made during total solar eclipses, plates, 4to (P.), 1879 (pub. £2 2s). £1 IS 2558 Account of observations of the total solar eclipse of the 29th July, 1878, at Cherry Greek Camp, Colorado, plate, 4to, 1881.

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2559 Rapporti sulle osservazioni dell' ecclisse totale di sole del 22 dicembre 1870 eseguite in Sicilia dalla commissione italiana, 19 plates, folio, 1872.

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2560 Reports on observations of the total eclipse of the sun, Aug. 7, 1869, under the direction of B. Sands, 12 plates, 4to, 1870.

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2561

of observations of the total eclipse of the sun, Aug. 7, 1869, made under the direction of J. Coffin, 10 plates, 4to, cloth, 1870.

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2562 2563

on observations of the total solar eclipse of Dec. 22, 1870, plates, 4to, 1871. 25 on the total solar eclipses of July 29, 1878 and Jan. 11, 1880, issued by the U.S. Naval Observatory, 58 plates, 4to, cloth, 1880.

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2564 Ricca (V.) La corona solare e l'ecclisse del 22 Dicembre 1870, plate, 8vo, 1871. 2565 Rothman (R.) On an ancient solar eclipse observed in China, 4to (P.), 1829-37. 2566 Schaeberle (J.) Report on the total eclipse of the sun, observed at Mina Bronces, Chile, on April 16, 1893, 11 plates, 8vo, cloth, 1895.

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2567 Schmidt (J.) Beobachtung der totalen Sonnenfinsterniss vom 28. Juli 1851, 4 plates, 4to, 1852.25 2568 Schorr (R.) Die hamburgische Sonnenfinsternis Expedition nach Souk Ahras im August 1905, part 1, map and 12 plates, roy8vo, 1905.

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2569 Secchi (A.) Sulla ecclisse solare del 18 Luglio 1860, 8vo (P.), 1860. 2570 Seeliger (H.) Die scheinbare Vergroesserung des Erdschattens bei Mondfinsternissen, plate, 4to, 1896.

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2571 Sewell (R.) Eclipses of the moon in India, A.D. 300-1900, 4to, cloth, 1898. 2571A Smith (G.) A dissertation on the general properties of eclipses, and particularly the ensuing eclipse of 1748, with a map (19 × 15 in.) of all parts of the earth in which it will be visible, with the North Pole according to the latest discoveries, 8vo, 1748.

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2572 Smyth (C.) On the total solar eclipse of 1851, plate, 4to (P.) 1852. 2573 Solar eclipse of 1905, Aug. 30, Reports on the total. Presented by the Eclipse Committee of the Royal Society and the R. Astronomical Society, roy8vo (P.), 1906. 2574 Struve (O.) Beobachtung der totalen Sonnenfinsterniss vom 18. Juli 1860 in Pobes, 3 plates, 4to, 1861.

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2575 Swan (W.) On the total eclipse of the sun, July 28, 1851, observed at Göteborg, on the red prominences, 2 plates, 4to, 1852.

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2576 Tennant (J.) Report on observations of the total eclipse of the sun, Dec. 11-12, 1871, at Dodabetta, 2 plates, 4to (P.), 1875.

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2577 Todd (D.) On the use of the electric telegraph during total solar eclipses, 8vo, 1881. 2578 Turner (H.) Report of the observations of the total solar eclipse of Aug. 29, 1886, at Grenville, Grenada, 4to, 1889.

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2579 Upton (W.) and A. Rotch. Meteorological and other observations made in connection with the total solar eclipse of Jan 1, 1889, at Willows, California, 2 plates, 4to (P.), 1892. 2580 Vignoles (C.) Map of shadow-path thrown by eclipse of sun, July, 1860, across part of Spain, with observations, 8vo, 1860.

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2581 Waldo (L.) Report of the observations of the total solar eclipse, July 29, 1878, made at Fort Worth, Texas, 4 plates, 4to, 1879.

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8s 6d

2582 Washington, Publications of the United States Naval Observatory.. Total solar eclipses of May 28, 1900, and May 17, 1901, 79 plates, 4to, cloth, 1905. 2583 Wiedeburg (B.) Astronomische Betrachtung der grossen Finsterniss, welche sich an der Sonnen den 25. Julii 1748 ereignen wird, plate, 8vo, 1748. 2584 Wittram (T.) Ueber die totale Sonnenfinsterniss am 8-9. August 1896, map, imp8vo (P.), 1896.

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2585 Young (C.) The Princeton eclipse expedition to Wadesboro', N.C. May, 1900, 4 plates, imp8vo, 1900.

IS 6d 2586 Zech (J.) Astronomische Untersuchungen ueber die Mondfinsternisse des Almagest und, ueber die, welche von den Schriftstellern des Alterthums erwaehnt werden, 8vo, 1851-3. Minor Planets.

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2587 Barnard (E.) Micrometrical observations of Eros, 1900-1901, 4to, 1902. 2588 Becker (E.) Tafeln der Amphitrite mit Beruecksichtigung der Stoerungen durch Jupiter, Saturn and Mars, 4to, 1870.

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2589 Bidschof (F.) Bestimmung der Bahn des Planeten (279) Thule, 8vo, 1891. 2590 Bruennow (F.) Tables of Iris computed with regard to the perturbations of Jupiter, Mars and Saturn, 4to, 1869. 38

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2591 Bruhns (C.) De planetis minoribus inter Martem et Jovem circa solem versantibus, 8vo, 1856.

2592 Bryant (R.) The orbit of the planet Sappho (80), 8vo, 1889. 2593 Colla (A.) Sopra i piccoli pianeti Euterpe, Bellona ed Anfitrite scoperti, 1853 e 1854, 8vo, 1854.

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2594 Downing (A.) The orbit of Flora, with corrections to Bruennow's Tafeln der Flora, 8vo (P.), 1892.

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2595 Eastman (J.) Internal contacts in transits of the inferior planets, 8vo, (P.) 1883. 2596 Engstroem (F.) Beobachtungen der Planeten Victoria und Sappho, 4to, 1884. 2597 Galle (J.) Ueber die Verbesserung der Planeten Elemente aus beobachteten Oppositionen, angewandt auf eine neue Bestimmung der Pallas-Bahn, 4to, 1858.

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2598 Gauss (C.) De elementis ellipticis Palladis ex oppositionibus annorum, 1803-09, 4to, 1811. 2s 2599 Hansen (P.) Tafeln der Egeria, imp8vo, 1867.

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2600 Herschel (F. W.) Observations on the 2 lately discovered celestial bodies (Ceres and Pallas), plate, 4to (P.), 1802.

2601 Hornstein (K.) Ueber die Bahn der Calliope, 3 parts, 8vo, 1857.

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2602 Iwanow (A.) Hilfstafeln zur Berechnung von angenaeherten Bahnen kleiner Planeten vom Hecuba-und Sybilla-Typus, 4to (P.), 1900.

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2603 Krueger (A.) Die Bahn des Planeten Themis, 4to (P.), 1866.

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2604 Kuehnert (F.) Ueber die Bahn des Planeten (153) Hilda, 8vo (P.), 1878.. 2605 Laves (K.) The orbit of the minor planet (334) 4to 1904.

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2606 Liais (E.) et L. Cruls. Distribution du groupe des planétoides compris entre Mars et Jupiter, plate, 4to (P.), 1889.

2607 Loewy (M.) Théorie de la planète Eugénie, 4to, 1872.

2608 Luther (W.) Ueber die Bahn des Planeten Amalthea (113), 8vo, 1883. 2609 Olsson (K.) Ueber die absolute Bahn des Planeten (13) Egeria, 4to, 1893. 2610 Perrotin (J.) Théorie de Vesta, 4to (P.), 1880.

2611 Schubert (E.) Tables of Melpomene, 4to, cloth, 1860.

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Mercury and Venus.

2612 Barnard (E.) A micrometrical determination of the dimensions of the planets and satellites of the solar system, 8vo (P.), 1897.

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2613 Physical and micrometrical observations of the planet Venus, plate, 8vo (P.), 1897. IS 2614 Bianchini (F.) Hesperi et Phosphori nova phaenomena sive observationes circa planetam Veneris, 10 plates and engravings, folio, vellum, Romae, 1728. £1 7S

2615 Cassini (J. D.) Extrait d'une lettre touchant la découverte qu'il a faite du mouvement de la planete de Vénus à l'entour de son axe, 4to (P.), 1667.

2616 Cassini (J.) Reflexions sur les observations de Mercure, 4to (P.), 1707. 2617

De la révolution de Vénus autour de son axe, plate, 4to (P.), 1732. 2618 Cassini de Thury (C.) Recherches sur la théorie de Mercure, 4to (P.), 1753. 2619 Flammarion (C.) La planète Vénus, engravings, 8vo, 1897.

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2620 Fontserê (E.) Nuevas observaciones de Venus, engravings, imp8vo, 1898. 2621 Gand (E.) Rotations et diamètres des planètes, 8vo (P.), 1856.

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2622 Gillis (J.) Ephemeris of Venus and her stars of comparison during the stationary periods of the planet in 1850 and 1852, 5 plates, 4to, 1849.

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2623 Greenwich, Reduction of the observations of planets, made at the R. observatory, from 1750 to 1830, computed under the superintendence of G. Airy, 4to, cloth, 1845 (pub. £1). Reduction of the Greenwich planetary observations, 1831-35, 4to, 1864. 2625 Hartwig (E.) Untersuchungen über die Durchmesser der Planeten Venus und Mars, 4to, 1879. 35 2626 Hell (M.) De satellite Veneris, plate, 8vo, 1765.

2627 Hill (G.) Tables of Venus, 4to, 1873.

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2s 6d

2628 Lalande (J. de) Observation du passage de Mercure sur le soleil, avec une méthode pour en deduire les éléments de l'orbite, 2 plates 4to (P.), 1754. 3S

2629

2630

La détermination du lieu de l'aphélie. Mouvement de l'aphélie et mouvement moyen de Mercure, sa révolution et sa distance, déduits des anciennes observations, table, 4to (P.), 1766.

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Sur la théorie de Mercure; où l'on détermine l'excentricité et le lieu moyen de cette planète, 4to (P.), 1767.

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2633 Lowell (P.) New observations of the planet Mercury, 8 plates, 4to (P.), 1898. 2634 Main (R.) On the values of the diameters of the planets having measurable disks, 4to (P.), 1856.

2631 Le Gentil (G.) Recherches sur l'inclinaison vraie de l'orbite de Mercure, par rapport au plan de l'écliptique, 4to (P.), 1753.

2632 Lindenau (B. de) Tabulae Veneris, 4to, cloth, 1810.

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2635 Mairan (J. de) Mémoire sur le satellite vu ou présumé autour de la planète de Vénus et sur la cause de ses courtes apparitions et de ses longues disparitions, 4to (P.), 1762. 2636 Mascari (A.) Osservazioni del pianeta Venere, 1892-95, 2 plates, 4to, 1895. 2637 Newcomb (S.) Tables of the heliocentric motion of Mercury, 4to, 1895. 2638 Tables of the heliocentric motion of Venus, 4to, 1895.

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2643

2647 Villiger (W.) Die Rotationszeit des Planeten Venus, mit Beobachtungen der Oberflaechenbeschaffenheit der Planeten Venus und Merkur, 9 plates, 4to, 1898. 2648 Winlock (J.) Tables of Mescury, 4to, 1864.

New observations in further proof of the mountainous inequalities, rotation, atmosphere, and twilight, of the planet Venus, 4 plates, 4to (P.), 1795. 2644 Stroobant (P.) Etude sur le satellite enigmatique de Vénus, 2 plates, 4to (P.), 1887. 2645 Terby (F.) La permanence des taches sombres de Vénus, plate, 8vo (P.), 1890. 2646 Trouvelot (E.) Observations sur les planètes Vénus et Mercure, engravings, 2 parts, roy8vo (P.), half calf, 1892.

2642 Schroeter (J.) Observations on the atmospheres of Venus and the moon, their respective densities, 4 plates, 4to (P.), 1792.

2639 Niesten (L.) A propos de la rotation de la planète Vénus, 2 plates, 8vo, 1891. 2640 Rothman (R.) Notes on the masses of Venus and Mercury, 4to (P.), 1842. 2641 Schiaparelli (G.) Considerazioni sul moto rotatorio del pianeta Venere, plate, 5 parts, 8vo (P.), 1890.

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7s 6d

2649 Zoellner (F.) Photometrische Untersuchungen über die physische Beschaffenheit des Planeten Merkur, 8vo, 1874.

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The Earth.

2650 Airy (G.) Figure of the earth, 3 plates, 4to, Ency. Met., 1845.

2651

2652

2653

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On the computation of the effect of the attraction of mountain masses, 4to (P.) 1855. Is Account of pendulum experiments undertaken in the Harton colliery, for the purpose of determining the mean density of the earth, 2 plates, 2 parts, 4to (P.), 1856. Account of the construction of the new national standard of length, 3 plates, 4to (P.), 1857.

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2654 Aitken(J.) On some experiments on rigidity produced by centrifugal force, 5 plates, 8vo (P.), 1878.

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2655 d'Alembert (J.) Essai d'une nouvelle théorie de la résistance des fluides, 2 plates, 4to, calf, 1752.

2656 Baeyer (J.) Ueber die Groesse und Figur der Erde, plate, 8vo, 1861. 2657

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Das Messen auf der sphaeroidischen Erdoberflaeche, 4 plates, 4to, 1862. 2658 Baily (F.) On the correction of a pendulum for the reduction to a vacuum, 4to (P.), 1832. 25 2659 Report on the pendulum experiments made by H. Foster, 1828-31, with a view to determine the figure of the earth, 4to, 1834.

2660 Bakewell (F.) Considerations respecting the figure of the earth, 8vo, 1862.
2661 Ball (R.) On the small oscillations of a rigid body about a fixed point, 4to (P.), 1870.
2662
The cause of an ice age, plate, 8vo, cloth, 1891.
2663 Biot (J.) Mémoire sur la figure de la terre, plate, 4to (P.), 1829.

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2664 Bouguer (P.) De la manière de déterminer la figure de la terre par la mesure des degrés de latitude et de longitude, plate 4to (P.), 1739. 2665

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Sur la direction qu'affectent les fils-à-plomb, plate, 4to (P.), 1754. 2666 Brown (J.) On gravity, the earth's attractive influence is shown to arise from its annual or progressive motion, 8vo, cloth, 1858. 3S

2667 Cagnoli (A.) Memoir on a new method of ascertaining the figure of the earth by means of occultations of the fixed stars. With notes by F. Baily, 8vo, 1819. 2s 6d 2668 Carlheim-Gyllenskoeld (V.) Sur la forme analytique de l'attraction magnétique de la terre exprimée en fonction du temps, 4to (P.), 1896.

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2669 Casati (P.) terra machinis mota, eiusque gravitas et dimensio, engravings, folio, vellum, 1655. 2670 Cassini (J.) De la grandeur de la terre et de sa figure, 4to (P.), 1718. 2671

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Méthode de déterminer si la terre est sphérique ou non, plate, 2 parts, 4to (P.), 1738. 35 2672 Cavendish (H.) Experiments to determine the density of the earth, 2 plates, 4to (P.), 1798. IOS 6d 2673 Charlier (C.) Contributions to the astronomical theory of an ice age, 3 plates, 4to (P.), 1901. IS 6d 2674 Clairaut (A.) Examen des differentes oscillations qu'un corps suspendu par un fil, peut faire lorsqu'on lui donne une impulsion quelconque, plate, 4to (P.), 1738. 2675

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Mémoire sur l'orbite apparente du soleil autour de la terre, en ayant égard aux perturbations produites par les actions de la lune et des planètes principales, 4to (P.), 1754. 5s 2676 Clarke (A.) Results of the comparisons of the standards of length of England, Austria, Spain, United States, Cape of Good Hope, 4to (P.), 1873.

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2677 Darwin (G.) On the influence of geological changes on the earth's axis of rotation, 4to (P.), 1877.

2678

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Problems connected with the tides of a viscous spheroid, 4to (P.), 1879.

2s 6d

2679

2680

Report of the British association committee on the measurement of the lunar disturbance of gravity, 2 parts, 8vo (P.), 1882–83.

On the precession of a viscous spheroid, and on the remote history of the earth, plate, 4to (P.), 1879.

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2681 A numerical estimate of the rigidity of the earth, 8vo (P.), 1883. 2682 Drayson (A.) On the cause, date, and duration of the last glacial epoch of geology, with an investigation and description of a new movement of the earth, 2 plates, 8vo, cloth, 1873.7s 2683 Important facts for the considerations of astronomers and geologists, 8vo (P.), 1896. IS 6d 2684 Everest (G.) Account of the measurement of an arc of the meridian between the parallels of 18°3′ and 24°7′, being a continuation of the grand meridional arc of India, map and 2 plates, 4to, 1830. 5S Account of the measurement of 2 sections of the merdional arc of India, bounded by the parallels of 18° 3′ 15′′; 24° 7′ 11′′, and 29° 30′ 48′′, frontispiece and 32 plates, 2 vols, 4to cloth, 1847. £1 5S 2686 Fergola (E.) Sulla posizione dell' asse di rotazione della terra rispetto all' asse di figura, 4to 1874. IS 6d Dimensioni della terra e ricerca della posizione del suo asse di figura rispetto a quello di rotazione, 4to, 1876.

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2687

2688 Foerster (W.) On the displacements of the rotational axis of the earth, 8vo (P.), 1895.

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