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Sextant.
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. 141% cm., in 4s.
[This work is kept on the Special Libraries Floor.]
This card was printed at the Boston Ln) Public Library, May 23, 1912. BAR
H7740 — Sextant. — Compass.