Smith, Hamilton Lanphere, 1819-1903. [from old catalog] · Cleveland, M. C. Younglove and company · leaf 54
or spiders-web,visible at night, at the same time with the star. In looking intothe transit telescope, five of these lines are usually seen, shown inthe engraving. A B is, by means we cannot now describe, located TRANSIT INSTRUMENT. 51 the telescope A B, will move in the meridian, i. e., it will,… … directed to the heavens, mark the exact situation of the meridian,at the time, of the particular place where the instrument islocated. We are thus furnished with the means of determining,with the greatest exactness, the precise time of a siderial revolu-tion of the earth, and as the apparent time…
Astronomy · Meteorology · Geology · Paleontology
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
