Category
Object type
Material
Maker
Place
Date
Thermogalvanometer made by Latimer Clark, Muirhead and Company Limited, England, 1887.

Latimer Clark, Muirhead and Company Limited Latimer Clark, Muirhead and Company Limited

1887

Wright's demand meter

Wright's demand meter

1915

Thermogalvanometer made by W. T. Goolden & Co. Characteristic 'banjo' shape mounted on a long metal cylinder which houses a platinum silver wire suspended between a system of pulleys. The expansion of wire when heated is displayed by a pointer on a circular scale.

Cardew's Patent 'Banjo' Voltmeter

1900

Thermogalvanometer manufactured by Everett, Edgcumbe

Thermogalvanometer manufactured by Everett

1891

Electric meter (thermogalvanometer) made by Reason Manufacturing Company, Brighton (England) 1915.

Reason Manufacturing Company thermogalvanometer

1915

thermogalvanometer

thermogalvanometer

thermogalvanometer. Hot wire ammeter no. 57194 0-2 amps Admiralty pattern. made by Johnson & Philips.

Johnson & Philips thermogalvanometer

1942

Electric meter (thermogalvanometer) made by Hartmann & Braun, Frankfurt (Germany) 1910.

Hartmann & Braun thermogalvanometer

1910

electric meter - thermogalvanometer

electric meter - thermogalvanometer

1890

thermogalvanometer manufacturer unknown

electric meter - thermogalvanometer

Electric meter (thermogalvanometer) made by Reason Manufacturing Company, Brighton (England) 1915.

Reason Manufacturing Company thermogalvanometer

1915

Thermogalvanometer made by Johnson & Philips, England, 1904.

Thermogalvanometer made by Johnson & Philips

1904

Thermogalvanometer made by Reason Manufacturing Company, Brighton (England) 1915.

Reason Manufacturing Company electric meter

1915