Compass.
Hoppe, E. No. 6 in **E.200a.5 An explanation of E. Hoppe’s improved sextant . . . also of his im- proved azimuth compass... London. Hoppe. 1804. 23 pp. Folded plate. 1414 cm., in 4s.
 
[This work is kept on the Special Libraries Floor.]
This card was printed at the Boston Sp Public Library, May 23, 1912. BART
H7740 — Sextant. — Compass.