Longitude.
Lambert, William.
Abstracts of calculations to ascertain the longitude of the capitol in Washington, from Greenwich observatory in England.
Washington city: pr. by E. De Krafft. 1817. 20 pp. 4°, **E 166.4
Same. (In American philosophical society. Trans- actions. Phila., 1818. N. S., vol. 1, pp. 103- 118.) *#H.92.56 = *#B.145.2, N.S. 1
GB (Continued. )