Inside Out Library · Explore

The latitude of the Cambridge Observatory, in Massachusetts : determined, from transits of stars over the prime vertical observed during the months of December, 1844, and January, 1845, by William C. Bond, Major James D. Graham, and George P. Bond (1846)

Peirce, Benjamin, 1809-1880 · [Cambridge], [Publisher not identified] · leaf 11

An illustration from The latitude of the Cambridge Observatory, in Massachusetts : determined, from transits of stars over the prime vertical observed during the months of December, 1844, and January, 1845, by William C. Bond, Major James D. Graham, and George P. Bond, 1846, leaf 11
Bond, Graham , and Peirce , on the Latitude of Cambridge. 187 … its transits over one of the wires, when this wire is north of the axis of collimation. But when the axis of the telescope is reversed, so as to bring this wire south of the axis of collimation, B and B' are the points of east and west transit. Let h„ = AP Z= \ (A PA1) = § the sidereal interval…

Harvard College Observatory · Latitude · Astronomy -- Observations

Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.

More pictures from The latitude of the Cambridge Observatory, in Massachusetts : determined, from transits of stars over the prime vertical observed during the months of December, 1844, and January, 1845, by William C. Bond, Major James D. Graham, and George P. Bond

More like this