Telegraph Line Current Meter - Date Unknown Object Reg. No: ST 029334

Meter with scale graduated from +100 milliamps to -100 milliamps, used to measure current in electric telegraph lines.
Wooden base. Square metal case mounted on sloping wooden support. Case fitted with circular glass window covering needle and dial with engraved scale. Scale graduated from +100 milliamps to -100 milliamps. Four brass screw terminals at front of wooden base.
Discipline: Technology
Dimensions: 122 mm (Height), 130 mm (Width), 130 mm (Length)

More information

Tagged with: electric apparatus instruments, telegraphy
Themes this item is part of: Telegraphy Collection, Information & Communication Collection, Science & Measurement Collection
Primary Classification: COMMUNICATIONS
Secondary Classification: Telegraphy
Tertiary Classification: testing equipment
Inscriptions: Dila engraved below scale:

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