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Model triple expansion marine steam engine

Model triple expansion marine steam engine

Watt's experimental engine with separate condenser

Watt's experimental engine with separate condenser

Model steam engine

Model steam engine

Replica of Faraday coil

Replica of Faraday coil

De Havilland 'Spectre' 1953 aircraft-assisting rocket engine.

De Havilland 'Spectre' 1953 aircraft-assisting rocket engine.

1953
Air Meter

Air Meter

1825-1875
square panel of gold leaf

square panel of gold leaf

Model four-stroke engine

Model four-stroke engine

Model diesel engine

Model diesel engine

Model Wankel engine

Model Wankel engine

Working demonstration showing a model boat sailing against the wind

Working demonstration showing a model boat sailing against the wind

1960-1970
Model table steam engine, c.1850.

Model table steam engine, c.1850.

1850
Stirn waistcoat camera. c.1888. No.6227

Stirn waistcoat camera. c.1888. No.6227

1888
One model of Cockcroft and Walton Laboratory.

Model of Cockcroft and Walton's Laboratory

Wet collodion sensitising bath c 1890; closed; with brass carrying handle.

Wet collodion sensitising bath

1885-1895
Wireless set. Peto-Scott, 4-valve, 1946.

4-valve wireless set

1946
1937 H.M.V. Television set; screen image reflected by mirror;model No.901;Serial No. H.7242

Television set

1937
Collection of ten specimens of radioactive minerals: Allanite from South Africa, Carnotite from USA, Davidite from Mozambique, Granite from Cornwall, Kolm from Sweden, Monazite sand from India, Pitchblende (with alteration products) from Portugal, Samarskite from Kenya, Uraninite from the Congo, Uraninite (with alteration products) from Tanzania.

Collection of ten specimens of radioactive minerals: Allanite from South Africa

Lee sonic ear valve (regulates the passage of sound into the ear).

Lee sonic ear valve

Oil-on-canvas mural in three sections, each 12 ft x 9ft, depicting ships of all ages. Neg. No:4535.

Oil-on-canvas mural in three sections,

Sample of Tungsten-coated carbon fibres.

Sample of Tungsten-coated carbon fibres

Photo-chemistry demonstration.

Photo-chemistry demonstration.

100mls. of heavy water

100mls. of heavy water

Heinrici hot air engine.

Heinrici hot air engine

Reproduction of Galileo's large paper tube telescope.

Reproduction of Galileo's large paper tube telescope

One praxinoscope.

One praxinoscope.

Class 1 Burroughs calculating machine. Serial No.20665A.

Class 1 Burroughs calculating machine

One scale buoy (claimed to prevent depositing of scale in boilers).

One scale buoy

Munroe calculator, 1920.

Munroe calculator, 1920.

1920
Demonstration to show colour effects with circularly polarised light, using polaroid filters.

Demonstration to show colour effects with circularly polarised light

"720 Sound Capsule" audio transducer (4" diameter). Manufactured by Sound Scan International.

"720 Sound Capsule" audio transducer

Newton's Rings demonstration to show wave nature of light.

Newton's Rings demonstration to show wave nature of light.

2A Kodak Brownie folding autographic pocket camera No.A116, c.1914

2A Kodak Brownie folding autographic pocket camera No.A116

1914
Spinthariscope. 1" diameter x 1 5/8" long. Manufactured by Negretti & Zambra. Engraved: W. Crookes, 1903.

spinthariscope

1903
Brunsviga calculating machine No. 10433. c.1910.

Brunsviga calculating machine

1910
One "Maxwell's Demon" exhibit.

Maxwell's Demon exhibit

Ripple tank.

Ripple tank.

Brunsviga calculating machine No. 10089. c.1900.

Brunsviga calculating machine

1900
Demonstration to show vectograph stereoscopic effect, using Vectograph transparencies.

Demonstration to show vectograph stereoscopic effect

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

Centrifugal force demonstration

Reproduction of Galileo's tooled leather telescope.

Reproduction of Galileo's tooled leather telescope

One Pye 9" console television receiver.

One Pye 9" console television receiver

One replica cross-staff inscribed "Hamon a St. Malo 1687", with three wooden crosses: 30, 60, 90. Staff 3ft long.

One replica cross-staff inscribed "Hamon a St. Malo 1687"

One paint thickness gauge type 0618500500. Consists of a magnetic inductive probe, 1" diameter x 1 1/2", connected by a lead to a meter in a grey plastic case.

One paint thickness gauge type 0618500500. Consists of a magnetic inductive probe

Projected slit optical unit for sound reproduction from a 35mm camera.

Projected slit optical unit

Ensignette No.2 Camera

Ensignette No.2 Camera, c 1912

1909-1915
Sample of one half-inch square section x 8 inches long carbon fibre rod.

Sample of one half-inch square section x 8 inches long carbon fibre rod

Specimen of amber from Baltic coast.

amber from Baltic coast

Miniature first pocket all-metal plate camera by Marion. c.1885. (with 4 plates)

Miniature first pocket all-metal plate camera

1885
Sectioned electric two-speed drill, Wolf 1966

Sectioned electric two-speed drill, Wolf 1966

1966