Electrostatic generator

Made:: circa 1910 in Manchester

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Electrostatic generator
Science Museum Group
© The Board of Trustees of the Science Museum

Science Museum Group
© The Board of Trustees of the Science Museum

Electrostatic generator, made by the Manchester Municipal Technical School, c.1910, with associated trade literature.

Details

Category:: Electricity and Magnetism

Object Number:: Y1985.44

Measurements:: Overall: 370 mm x 250 mm x 385 mm,

type:: electrostatic generator

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Parts

moving coil galvanometer

moving coil galvanometer, made by H. Tinsley & Co., London.

Object Number:: Y1985.44.1

type:: galvanometer

Image ©: The Board of Trustees of the Science Museum

Oscillograph

oscillograph; has brass parts.

manufactured by Cambridge Science Instrument Co.

Object Number:: Y1985.44.2

type:: electric meter - oscillograph

Image ©: The Board of Trustees of the Science Museum

resistance box; labeled 'secondary'. Made of wood

resistance box; labeled 'secondary'. Made of wood, with brass connectors.

Materials:: wood (unidentified) and brass (copper, zinc alloy)

Object Number:: Y1985.44.2.1

type:: resistor

Part of:: Y1985.44.2

potentiometer in wooden box

potentiometer in wooden box, with removable lid.

manufactured by H. Tinsley & Co.

Object Number:: Y1985.44.3

type:: potentiometer

Nalder Brothers & Co universal shunt

universal shunt

manufactured by Naider Bros. & Co

Object Number:: Y1985.44.4

type:: universal shunt

moving coil galvanometer

moving coil galvanometer.

maufactured by H Tinsley & Co.

Object Number:: Y1985.44.5

type:: galvanometer

Image ©: The Board of Trustees of the Science Museum

Resistance box

Resistance box, wooden case, plastic levers and metal inner workings, made by Gambrell Brothers & Co. Ltd, c. 1940.

Materials:: wood (unidentified) , plastic (unidentified) and metal (unknown)

Object Number:: Y1985.44.6

type:: resistor

Electrostatic volmeter

electrostatic volmeter; cylindrical with three legs.

Object Number:: Y1985.44.7

type:: voltmeter

Potentiometer by Tinsley & Co.

Potentiometer, in wooden box; with removable lid.

Manufactured by H Tinsley & Co.

Object Number:: Y1985.44.9

type:: potentiometer

Dr C. V. Drysdale's Universal Standardising Bridge made by H. Tinsley and Co.

Dr C. V. Drysdale's Universal Standardising Bridge made by H. Tinsley and Co., London.

Measurements:: Overall: 515 mm x 750 mm x 905 mm,

Object Number:: Y1985.44.11

type:: resistance box

Potentiometer by Tinsley & Co.

Potentiometer, in wooden box, with removabe lid

Manufactured by H Tinsley & Co.

Object Number:: Y1985.44.12

type:: potentiometer

Potentiometer by Tinsley & Co.

Potentiometer, in wooden box, with removabe lid

Manufactured by H Tinsley & Co.

Object Number:: Y1985.44.12/1

type:: potentiometer

Part of:: Y1985.44.12

Potentiometer stand by Tinsley & Co.

Potentiometer stand

Manufactured by H Tinsley & Co.

Object Number:: Y1985.44.12/2

type:: potentiometer

Part of:: Y1985.44.12

Lowrie-Hall electric current converter

Lowrie-Hall electric current converter, manufactured by The Leeds and London Electrical Engineering Co Ltd, Leeds, 1892.

The Lowrie-Hall system was an early (1880s) system of distributing high voltage alternating currents generated at a central generating station. The electricity was distributed at high voltage using high-tension cables at. Converters like this were installed at customer's properties to reduce the voltage ready for local use.