Details
A surveyor's transit,
signed on the blackened dial centre W.J. Young Maker Philadelphia Patent, with silvered scale and rack-and-pionion operated vernier, on four-screw mounting -- 11½in. (30cm.) high, late 19th century (lacquer removed)
signed on the blackened dial centre W.J. Young Maker Philadelphia Patent, with silvered scale and rack-and-pionion operated vernier, on four-screw mounting -- 11½in. (30cm.) high, late 19th century (lacquer removed)