The insulated terminal block is of Polished Bakelite and consists of heavy duty knurled brass screw terminals with the PYE Logo moulded into the bakelite. The black lacquered brass coil has windings terminating at the screw terminals and there values are moulded int o the bakelite. The example has its original protective acetate clear cover to the windings. The compass MAGNETOMETER is signed PYE and has a jeweled compensated needle and the magnetometer scale is divided into. 4 x 90 degree quadrants with each quadrant sub-divided to 1 degree of arc.The magnetometer has its original mirror base for accuracy when reading, it has a bakelite case with glazed window. The item "Galvanometer PYE Tangent Galvanometer W. Pye Cambridge Working C1940" is in sale since Wednesday, October 23, 2019. This item is in the category "Antiques\Science/Medicine\Scientific Instruments". The seller is "houseofvega" and is located in Newcastle Under Lyme, Staffordshire. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia.