Word: withnessing
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Dates: during 1880-1889
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Among the more recent accessions to the laboratory in Harvard hall are the dissecting microscopes for use in Natural History 3. They are provided with Zeiss lenses, maguifying from eight to thirty times, and are ample for all analysis of flowers. From Zeiss the department has received a complete photomicrograph...
For the first time, the more advanced botanical electives are now provided with homogeneous immersion objectives, three of them being for use in the Cryptogamic, and the same number in the Phanerogamic laboratory.
The work at the Harvard Observatory is, at present principally devoted to stellar photography. Observations are made as far south as 25 degrees beyond the equator, while the expedition sent to South America is completing the observations in the southern hemisphere. A new photographic telescope has been added to the...
Professor Pickering is at present working upon an experiment for ascertaining the exact location of the pole. The instrument used consists of a stationary reflecting telescope with a plate holder suspended in the centre of the aperture upon a pendulum, to avoid any variations of the telescope which might arise...
The number begins with a short sketch of the life of the late Alexander Johnston, who from 1884 to his death filled the chair of Jurisprudence and Political Economy at Princeton. The article does full justice to Professor Johnston's merits, and in a few pages it gives the reader...