Antique Elliott Brothers Alternating Current Wattmeter
Manufacturer: Elliott Brothers
Serial Number: No. 22968
Location: London
Type: Alternate & Direct Current Wattmeter
Date noted inside: 26 April 1909
Supplied in original fitted wooden instrument case
A scarce and highly collectible early 20th-century electrical measuring instrument by Elliott Brothers, one of Britain’s foremost scientific and electrical instrument makers.
The meter face is clearly marked “ALTERNATE CURRENT WATTMETER”, with original terminals for amps and volts, selector fittings, and engraved internal connection diagrams. The inside lid retains the original printed calibration and wiring instructions.
Original wooden case with expected age-related wear, scratches and patina
Hinges, catches and case fittings present
Original meter glass intact
Internal instruction plate and wiring diagrams present and legible
Serial number plate clearly marked
Terminals, knobs and internal fittings appear complete
⚠️ Untested — no attempt has been made to connect or operate the instrument.
Sold strictly as found, suitable for collection, restoration, study, or display.
Elliott Brothers were prominent suppliers of precision instruments to industry, laboratories and utilities in the late 19th and early 20th centuries. Instruments of this type were used in early power generation, electrical engineering, and educational settings.