Details
A black enamelled octant
engraved on the arc C. Plath Hamburg, the frame with five shades, mirrors, the index arm, 7in. (17.8cm.) radius, with vernier, magnifier and tangent screw fine adjustment, with accessories, in pine case -- 10¾in. (27.3cm.) wide
engraved on the arc C. Plath Hamburg, the frame with five shades, mirrors, the index arm, 7in. (17.8cm.) radius, with vernier, magnifier and tangent screw fine adjustment, with accessories, in pine case -- 10¾in. (27.3cm.) wide