Details
A military-pattern brass, aluminium and oak alidade,
with tripod stand and folding sights, unsigned, the compass rose with three adjustment sockets to hold a prismatic marching compass, contained in two leather cases, the larger 18in. (47cm.) long
See Illustration (2)
with tripod stand and folding sights, unsigned, the compass rose with three adjustment sockets to hold a prismatic marching compass, contained in two leather cases, the larger 18in. (47cm.) long
See Illustration (2)