A Troughton & Simms brass mining dial, with silvered dial, edge-bar needle, bubble level, cross bubble and folding sights, in fitted pine case -- 12½in.(32cm.) wide

Details

A Troughton & Simms brass mining dial, with silvered dial, edge-bar needle, bubble level, cross bubble and folding sights, in fitted pine case -- 12½in.(32cm.) wide

Further details

See illustration

More from Scientific and Medical Instruments & other Apparatus

View All