Best London-made Drawing Instruments (continued). Number. 210 Best steel road pen, ivory handle 61 Best sector-joint divider, 5 inch, brass, 2s. 9d. Electrum, 3s. 6d. 60 Ditto, hair divider brass, 5s. Electrum, 6s. ditto 70 Best Electrum double jointed bow pencil, fine needle point bow pen 71 Ditto, 77 Best Electrum ditto, ditto, ditto Cases of Best London-made Sector-Joint Instruments. 78 Best 6 inch Electrum Compass, divider, pen point, pencil point, lengthening bar, ivory handle pen, bow pen, ivory protractor, and ivory parallel, in mahogany lock case ditto, 79 Ditto, 81 Ditto, ditto, with extra bar, needle holder, set of 3 fine steel spring bows, wheel pen with dotters, and best ivory sector 5 0 0 82 Perambulators, or Mapmeters, in leather case, each, small, 2s. 6d., large, 3s. 0225 Improved large wood Divider, for black board chalk drawing, with brass tightening screw. 301 12 inch box-wood scale, with divisions on both edges and line of 305 Superior box-wood Gunter's Scale, 12 inch, 13s. 6d. 24 inch 306 12 inch best box-wood Chain Scale 10 to 60 307 12 inch 308 12 inch ditto, Architect's Scales, Protractors, Curves, &c., (continued). Number. 309 12 inch improved Universal Scale 310 6 inch box-wood Protractor (narrow) 311 6 inch ditto, (broad) 312 Box-wood Protractor, with moveable brass arm, for taking angles 313 6 inch box-wood Sector 314 Horn Protractors, various sizes, at 2s., 3s., 4s., 5s., 6s., per dozen. 315 Brass Protractor, 3 inch 317 Brass Circular Protractor, 3 inch 318 Superior brass 6 inch Circular Protractor 319 Best ditto, engraved and divided to 20 minutes per dozen 053 each per set 319A Best 6 inch Protractor, with folding arms, divided on silver to 1 minute 320 Box-wood Marquois Scales 321 Pear-wood or mahogany Set Squares, various angles and sizes, per dozen, 1s. 9d., 2s. 6d., and 3s. 6d. 322 Pear-wood Curves, assorted, various sizes and kinds, per doz. 5s. 6d. and 0 7 6 16s. 22s. 27s. per doz. 36 inches. SURVEYING, MINING, AND NAUTICAL INSTRUMENTS. Number. Land Chains, warranted correct. 343 Surveyor's Chains, superior make, with strong brass handles and 344 Ditto, with two-sawed oval rings, brass handles, and marks. 345 Ditto, with round rings, brass handles, and marks. 346 Ditto, with iron handles. 346A 14 feet sliding mahogany Levelling Staves, painted figures Brass Cross Staffs, with Sights, in Cases. 349 Superior ditto, with Compass, finely divided dial, adjustment, &c., No. 5, 2 5 0 354 Improved rose-wood Level, with sights and cross sights. 358 Brass Road Level, with sights, and graduated arc for taking 359 Best Level Tubes, proved, assorted sizes to 5 inches 361 Level Tubes, (not proved,) assorted sizes assorted 5 to 8 inches 366 5 inch Theodolite, with clamps and tangent screws 367 Best ditto, divided on silver 368 Ditto, ditto, with spring verniers, as Troughton and Sims's 369 6 inch Theodolite, plain 370 Best ditto, divided on silver to 20 seconds 371 Ditto, ditto, with rising compass box 372 Optical Squares, at 16s. and 24s. each. 373 Artificial Horizons, from 45s. each. 374 3 inch Prismatic Compass, plain 375 Best ditto, with silver ring 376 Best Prismatic Azimuth Compass, with 6 inch card, silvered ring, divided to 20 minutes, in strong mahogany box (East India Company's pattern) 377 3 inch Mining Compass, floating dial with stop, in mahogany case, with brass folding sights. 378 5 inch Mining Compass, mahogany case, with silvered dial engraved, and edge-bar needle, agate cap 379 Superior 4 inch ditto, with folding sights, and two levels 380 4 feet mahogany jointed stand for ditto, with ball and socket joint 381 Best 2 inch Brass Compass, silvered dial, agate cap needle, with folding sights, in leather case 382 Ebony Quadrant, in oak case Quadrants. 383 Single Tangent, stump and block 384 Double Tangent 385 Ditto, Vertical 386 Single Tangent, fixed adjustment, and six shades 387 Handle Quadrant, fixed adjustment 388 Vertical ditto Metal Quadrants. 250 310 0 650 0 10 0 100 210 0 115 0 1 10 0 1 13 0 117 0 391 Ditto, with swing magnifier and telescopes, divided to half-minutes 392 Superior ditto, seven shades, and ivory arch 393 Ditto, ditto, and silver arch Sextants. 394 Flat limbs, ivory arch divided to half-minutes, with telescopes 1 406 Upright" Model Barometer," in mahogany or rose-wood, with ivory scale, and thermometer 407 Mahogany wheel Barometer, superior make, 8 inch dial 416 Glass Sacchrometers, with ivory scale, in tin case, per dozen 40s. 417 Hydrometers, per dozen 40s. 418 Box-wood Thermometers, 13s. 6d. ditto, Thermometers. 419 Best ditto, ditto, polished, with bevil-edge, 8 inch, 21s. per dozen. 423 Ivory carved Thermometers, under glass shade, 6s. 6d. to 50s. each. 424 Box registering Thermometers, (night and day,) 10 inch, with magnet, 9s.6d. each. |