One exhibit showing the automatic opening of a door, controlled by a photoelectric cell. One exhibit showing the automatic opening of a door 1931-1933
Display exhibit illustrating construction and operation of the 'RCA Colour Kinescope' cathode ray tube for colour television reception. Display exhibit for 'RCA Colour Kinescope'
"Experiments in a Vacuum" exhibit, with pump. (Pump purchased for #146.3.6 from the firm) "Experiments in a Vacuum" exhibit
Working exhibit illustrating the effect of noise on the intelligibility of received speech Exhibit illustrating the effect of noise on received speech
Working exhibit showing bending armour plate glass, c. 1968 Working exhibit showing bending armour plate glass 1968
One exhibit showing an artificial rainbow. Label reads 'Newton & Co Scientific Instrument Makers to H.M. The King 72 Wigmore St London W'. exhibit showing an artificial rainbow.
One exhibit illustrating the reflection of light. Consisting of darkened case containing a number of mirrors, lenses, and one prism, showing the tracks of beams of light on reflection. One exhibit illustrating the reflection of light
Exhibit showing computer-designed stereo patterns, by Julesz. Exhibit showing computer-designed stereo patterns
One panel exhibit: Illuminated diagram of the manufacture of coal gas and its by-products. One panel exhibit: Illuminated diagram of the manufacture of coal gas and its by-products
"Titanium" - one composite exhibit on the extraction and properties of Titanium Composite exhibit on the extraction of titanium
Exhibit to illustrate the thermo-electric effect, comprising a copper-eureka thermocouple, variable resistance, and a Tinsley galvanometer No. 73994 Exhibit to illustrate the thermo-electric effect 1900-1982
Exhibit showing construction of small universal and squirrel-cage induction motors Exhibit showing construction of induction motors
Exhibit demonstrating the properties of centimetric radio waves, consisting of transmitter, receiver amplifier and grating Exhibit demonstrating the properties of centimetric radio waves
Silvered vessel for determining the stability of Cordite (ex Chemical Society Centenary Exhibition of 1947) exhibit
Exhibit illustrating the history, manufacture and applications of man-made fibres Exhibit illustrating the history of man-made fibres
Comprehensive exhibit covering the history, chemistry, manufacture, shaping, properties and uses of plastics An exhibit about plastics
Exhibit to demonstrate total internal reflection of light Exhibit to demonstrate total internal reflection of light
Exhibit showing the use of a photoelectric cell for a burgler alarm. Exhibit showing the use of a photoelectric cell
Exhibit illustrating Hero's method of cutting male and female screws. Exhibit illustrating Hero's method of cutting screws
Exhibit to illustrate persistence of vision as applied to television reproduction Exhibit to illustrate persistence of vision
Working exhibit to show correction of distortion of signal on telegraph lines Working exhibit to show correction of distortion of signal on telegraph lines
Keyphone demonstration exhibit, featuring both multifrequency and Strowger - pulse signalling, 1976 Keyphone demonstration exhibit, featuring both multifrequency and Strowger - pulse signalling, 1976 1976
One exhibit illustrating the refraction of light. Consisting of darkened case containing a series of optical components through which the tracks of beams of light can be seen. One exhibit illustrating the reflection of light.
One exhibit showing the stages in the manufacture of seamless stockings. One exhibit showing the stages in the manufacture of seamless stockings
One exhibit showing the stages in the manufacture of fully-fashioned stockings. One exhibit showing the stages in the manufacture of fully-fashioned stockings
Working exhibit illustrating audio-frequency signal analysis Working exhibit illustrating audio-frequency signal analysis
Exhibit showing the manufacture of incandescent mantles. Exhibit showing manufacture of incandescent mantles
Exhibit to illustrate a typical experiment (on solar spectography) for which a 'Skylark' rocket vehicle is employed exhibit
"Britain tells time to the World" exhibit. (Globe showing Time Zones only) "Britain tells time to the World" exhibit