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Telegraph Line Current Meter - Date Unknown 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.
|Dimensions:||122 mm (Height), 130 mm (Width), 130 mm (Length)|
|Tagged with:||electric apparatus instruments, telegraphy|
|Themes this item is part of:||Telegraphy Collection, Information & Communication Collection, Science & Measurement Collection|
|Tertiary Classification:||testing equipment|
|Inscriptions:||Dila engraved below scale: