The American Journal of ScienceJ.D. & E.S. Dana, 1895 - Science |
From inside the book
Results 1-5 of 87
Page 11
... deposits of till or boulder - clay . In a limited sense the Toronto and Scarboro fossils may be called Interglacial , since they lie between deposits of glacial drift ; but they seem better referred to moderate oscillations . of the ice ...
... deposits of till or boulder - clay . In a limited sense the Toronto and Scarboro fossils may be called Interglacial , since they lie between deposits of glacial drift ; but they seem better referred to moderate oscillations . of the ice ...
Page 12
... deposits of Scarboro ; and the lowest northeastward lake level was continuous with the highest at Toronto , Hamilton , Lewiston , and east to Rome . Between Lakes Warren and Lundy the old water level near the west end of Lake Ontario ...
... deposits of Scarboro ; and the lowest northeastward lake level was continuous with the highest at Toronto , Hamilton , Lewiston , and east to Rome . Between Lakes Warren and Lundy the old water level near the west end of Lake Ontario ...
Page 14
... deposits along the Lake Champlain basin nearly to its southern end , while they are wholly wanting along all the Hudson valley . Indeed , the outflowing river from Lakes Iroquois , Hudson- 14 W. Upham - Champlain Subsidence and.
... deposits along the Lake Champlain basin nearly to its southern end , while they are wholly wanting along all the Hudson valley . Indeed , the outflowing river from Lakes Iroquois , Hudson- 14 W. Upham - Champlain Subsidence and.
Page 17
... deposits reach to the southern end of Lake Champlain , to Ogdensburgh and Brock- ville , and at least to Pembroke and Allumette island , in the Ottawa river , about 75 miles above the city of Ottawa . The isthmus of Chiegnecto ...
... deposits reach to the southern end of Lake Champlain , to Ogdensburgh and Brock- ville , and at least to Pembroke and Allumette island , in the Ottawa river , about 75 miles above the city of Ottawa . The isthmus of Chiegnecto ...
Page 58
... deposit of metal is heavier the higher the current density and the lower the temper- ature . This appears to be due to the fact that copper is slightly soluble in a copper sulphate solution . Since Schuster had sug- gested that this ...
... deposit of metal is heavier the higher the current density and the lower the temper- ature . This appears to be due to the fact that copper is slightly soluble in a copper sulphate solution . Since Schuster had sug- gested that this ...
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Common terms and phrases
acid Algonquin altitude appears argon atomic weight basin beach beds bowlders carbon Carboniferous chemical chloride chromospheric Coal Measures color colorless Comanche series constant containing Cragin Cretaceous crystals curve deposits described determined Devonian east electric equation fath fauna feet figs formation fossils Geol Geological glacial gneisses Hall heat helium hydrochloric acid hydrogen Ibid inches iodide iodine Island Jour Journal Kansas Lake limestone lines long liquid lower magnetic mass miles mineral molecules moraine Mountain nearly nitrogen Oaxaca observed obtained occur orthoclase oxide oxygen paper period plane plates potassium present probably Prof Professor pubescent quartzite range region ridges river rock salt sandstone schreibersite secondary selenic acid shales sodium solution species specimens spectrum Spirifer substance surface temperature thallium theory thickness tion tube upper uraninite valley Verrill volume waves
Popular passages
Page 236 - As a unit of resistance, the international ohm, which is based upon the ohm equal to 10" units of resistance of the CGS system of electromagnetic units, and is represented by the resistance offered to an unvarying electric current by a column of mercury at the temperature of melting ice, 14.4521 grams in mass, of a constant cross-sectional area and of the length of 106.3 centimetres.
Page 508 - Index Kewensis: an enumeration of the genera and species of flowering plants from the time of Linnaeus to the year 1885 inclusive, together with their authors' names, the works in which they were first published, their native countries, and their synonyms.
Page 292 - It will be remembered that, from the velocity of sound in a gas, the ratio of specific heat at constant pressure to that at constant volume can be deduced by means of the equation when n is the frequency, A.
Page 237 - As a unit of quantity, the international coulomb, which is the quantity of electricity transferred by a current of one international ampere in one second. As a unit of capacity, the international farad, which is the capacity of a condenser charged to a potential of one international volt by one international coulomb of electricity.
Page 237 - ... As a unit of electromotive force, the international volt, which is the electromotive force that, steadily applied to a conductor whose resistance is one international ohm, will produce a current of one international ampere, and which is represented sufficiently well for practical use by \\\% of the electromotive force between the poles or electrodes of the voltaic cell known as Clark's cell, at a temperature of 15° C., and prepared in the manner described in the accompanying specification...
Page 318 - The crystals should be dissolved with the aid of gentle heat, but the temperature to which the solution is raised must not exceed 30° C.
Page 237 - The unit of induction shall be the Henry, which is the induction in a circuit when the electro-motive force induced in this circuit is one international volt while the inducing current varies at the rate of one Ampere per second.
Page 277 - We are in the case of Tarpeia, who opened the gates of the Roman citadel to the Sabines, and was crushed under the weight of the reward bestowed upon her.
Page 317 - The result will be the time-average of the current, if during the interval the current has varied. In determining by this method the constant of an instrument the current should be kept as nearly constant as possible, and the readings of the instrument observed at frequent intervals of time. These observations give a curve from which the reading corresponding to the mean current (time-average of the current) can be found. The current, as calculated by the voltameter, corresponds to this reading.
Page 316 - ... through a solution of nitrate of silver in water. The silver voltameter measures the total electrical quantity which has passed during the time of the experiment, and by noting this time the time average of the current, or, if the current has been kept constant, the current itself, can be deduced. In employing the silver voltameter to measure currents of about one ampere...