*3921.68
Eastman, John Robie, 1836-1913. Tables of instrumental constants and corrections for the reduction
of transit observations made at the U. S. Naval Observatory.
Prepared by John R. Eastman. Washington. 1873. 57 pp. [Washington observations for 1872.]
29% cm., in 4s.
This card was printed at the Boston ublic Library, Janwory 7, 1079. L5870 — Double main card. — nited States. Naval Observa-
tory. (M1) — Eastman, John Robie, 1836-1913. (M2) — Tables. Astronomical. (1) — Transit-instrument. (1) — S.r.c.