Details
Siemens & Halske,
a fine torsion mirror galvanometer signed on the lacquered brass cover plate Siemens & Halske Berlin No. 18186, the coils mounted on a lacquered brass shaped pillar with copper conductor wires and vulcanite fittings, encased within a glass cylinder with viewing window, the vulcanite platform base fitted with numerous terminals, a geared adjustment screw to the side, arranged with geared mechanism for azimuth adjustment, mounted on three levelling adjustment screws - 14¼in. (36.2cm.) high
See Colour Plate
a fine torsion mirror galvanometer signed on the lacquered brass cover plate Siemens & Halske Berlin No. 18186, the coils mounted on a lacquered brass shaped pillar with copper conductor wires and vulcanite fittings, encased within a glass cylinder with viewing window, the vulcanite platform base fitted with numerous terminals, a geared adjustment screw to the side, arranged with geared mechanism for azimuth adjustment, mounted on three levelling adjustment screws - 14¼in. (36.2cm.) high
See Colour Plate