Demonstration of piezo electricity.
Pedestal grand demonstration model
1921
Demonstration of aeolian tones
1964
Demonstration of Lissajous figures
1963
Demonstration Wheatstone bridge
1866-1896
Centre of gravity demonstation `The Acrobatic Equilibrist'
1800-1900
reproduction of sound from sound film
1949
Working demonstration of reed-relay operation
Four stages in the manufacture of a plastic haptic lens
1980-1982
A demonstration litre
1900
Demonstration steam engines
Demonstration of theatre lighting by full-size control panel & model stage
Centrifugal force demonstration
Working demonstration from the Computing Gallery
Demonstration Bramah morticed deadlock and key, 1972
Electrostatic demonstration apparatus
1850-1875