c.1930 Rotax Dual-Range Pocket Voltmeter 0–6V and 0–18V Orlando with the heavy crystal body

with the heavy crystal body enhancing the depth and luminosity of the coloured glass

A genuine piece of Victorian photographic history that displays beautifully as found

Mild creasing and surface marks

Delivery available to Perth

Elegant tripod bases

c.1930 Rotax Dual-Range Pocket Voltmeter 0–6V and 0–18V Orlando with the heavy crystal bodyA Rotax pocket voltmeter dating from around 1930, housed in a circular brass case with a suspension loop. The instrument has two graduated scales measuring 06 volts and 018 volts. Pocket watch style electrical meters of this type were used by radio technicians, motorists and electrical engineers to test low voltage batteries and accumulators. The dial is marked ROTAX and retains its original needle and internal mechanism. Displays considerable surface