Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 54

Передня обкладинка
American Philosophical Society, 1915

З цієї книги

Інші видання - Показати все

Загальні терміни та фрази

Популярні уривки

Сторінка 23 - Belgium,, within the limits specified in Articles I. II. and IV., shall form an independent and perpetually neutral State. It shall be bound to observe such neutrality towards all other States.
Сторінка xi - May 29, 1919, 5 of these stations being those at which observations were made by the expeditions of the Department of Terrestrial Magnetism of the Carnegie Institution of Washington...
Сторінка 25 - ... at the time when the occasion for acting on the guarantee arises. The great authorities upon foreign policy to whom I have been accustomed to listen, such as Lord Aberdeen and Lord Palmerston, never to my knowledge took that rigid and, if I may venture to say so, that impracticable view of the guarantee. The circumstance that there is already an existing guarantee in force is of necessity an important fact, and a weighty element in the case to which we are bound to give full and ample consideration....
Сторінка v - The function of the state university; being the proceedings of the inauguration of Edward Kidder Graham as president of the University of North Carolina. Chapel Hill, NC, April, 1915.
Сторінка 25 - I am not able to subscribe to the doctrine of those who have held in this House what plainly amounts to an assertion, that the simple fact of the existence of a guarantee is binding on every party to it, irrespectively altogether of the particular position in which it may find itself at the time when the occasion for acting on the guarantee arises.
Сторінка 137 - ... the resolving power is called one thousand. Until Fraunhofer (1821) showed that light could be analyzed into its constituent colors by diffraction gratings this analysis was effected by prisms the resolving power of which has been gradually increased to about thirty thousand. This limit was...
Сторінка 200 - For months the drifting snow never ceased, and intervals of many days together passed when it was impossible to see one's hand held at arm's length. The drift-snow became charged with electricity, and in the darkness of the winter night all pointed objects and often one's clothes, nose, and finger tips glowed with the pale blue light of St. Elmo's fire.
Сторінка 139 - ... inch. The corresponding correction for periodic errors is transferred to the worm-wheel which turns the screw; and for errors of run to the nut which moves the carriage. In this way the final errors have been almost completely eliminated and the resulting gratings have very nearly realized their theoretical efficiency. A number of minor points may be mentioned which have contributed to the success of the undertaking. (a) The ways which guide the grating carriage as well as those which control...
Сторінка 450 - Fraulein Marie Gruber, who became the mother of my children and was my true companion for twenty years until her death. Of her now I think only with love and gratitude. She was the one who more than any one else helped me through the gloom of this period. She read much to me at this time, for she read aloud excellently, and she not <only took an interest in my theoretical and experimental work but she also gave practical assistance in...
Сторінка 244 - A Method of Obtaining Complete Germination of Seeds in (Enothera and of Recording the Residue of Sterile Seed-like Structures.

Бібліографічна інформація