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Demonstration of piezo electricity.

Waveform demonstration

reproduction of sound from sound film

1949

Demonstration of aeolian tones

1964

Demonstration Wheatstone bridge

1866-1896

Working demonstration from the Computing Gallery, `Communication between Computers', 1974

Working demonstration from the Computing Gallery

Demonstration steam engines

Demonstration steam engines

A demonstration litre signed `Systeme Metrique, Methode Level, Brevete S.G.D. Gnt.' French c.1900

A demonstration litre

1900

Centre of gravity demonstation `The Acrobatic Equilibrist', French 19th C.

Centre of gravity demonstation `The Acrobatic Equilibrist'

1800-1900

Demonstration to show forces acting upon sails & keel of a boat when sailing windward.

Demonstration of forces upons sails & keel of a boat

Working demonstration of reed-relay operation

Working demonstration of reed-relay operation

Demonstration of theatre lighting by full-size control panel & model stage.

Demonstration of theatre lighting by full-size control panel & model stage

Demonstration showing principle of V.O.R. beacon

Demonstration showing principle of V.O.R. beacon

Electrostatic demonstration apparatus, comprising an electrical whirl and five luminous spiral tubes, by Newton & Co. 3 Fleet St., London

Electrostatic demonstration apparatus

1850-1875

Demonstration of Lissajous figures.

Demonstration of Lissajous figures

1963

Working demonstration from the Computing Gallery, `Running a Program', 1974

Working demonstration from the Computing Gallery

One demonstration to show the forces acting upon the sails and keel of a boat sailing into the wind.

Demonstration to show the forces acting upon the sails and keel of a boat sailing into the wind

Centrifugal force demonstration to show that if diameter at which weights rotate is reduced, there is an increase in velocity.

Centrifugal force demonstration

Pedestal grand demonstration model, with glazed sides to show inverted horn and developed tone-arm, 1921.

Pedestal grand demonstration model

1921

Large scale reed insert demonstration

Large scale reed insert demonstration

Demonstration Bramah morticed deadlock and key, 1972

Demonstration Bramah morticed deadlock and key, 1972

Demonstration of voltage current characteristics of semi-conductors

Demonstration of voltage current characteristics

Four stages in the manufacture of a plastic haptic lens, with two plastic cases by G. Nissel & Co. Ltd., London, c.1982.

Four stages in the manufacture of a plastic haptic lens

1980-1982