Alfred Apps 1839 - 1913

occupation:
Electrical instrument maker, Mathematical instrument maker, Optical instrument maker
Nationality:
British
born in:
United Kingdom

Traded at 433 Strand, London, England (1866-1911). Suceeded by Newton & Co. in 1911

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Induction coil for use with X-ray apparatus

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Trade card: Alfred Apps

Compass-clinometer, Bagot's Patent (No 2227 of 1876) by Apps

Early form of mercury interrupter

Early electro-magnetic engine by Alfred Apps, London

Glass cracked by spark from the giant Spottiswoode induction coil

Clinical Mercury Thermometers, 1877-1890

Improved Hawthorn slide rule

Circular slide rule, c 1870.

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