Lathe, Standard Contact Lens

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Hirst Contact Lens Limited 17
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1508 results. Displaying results 1 - 50.

Lathe, Standard Contact Lens Robertson Engineering Limited 1980

Engraver, Contact Lens G. Nissel & Company Limited

Radio frequency bridge made by Wayne Kerr Laboratories in New Malden, Surrey England. Model B601, designed as a multi-ratio instrument for the measurement of resistance, capacitance and inductance over a wide range of values. Used by Dr JB Gregory from the University of Canterbury in his research at Scott Base (Antarctica) in the late 1950s to study the characteristics of the lower polar ionosphere (D Region) and to measure the height, strength and time of radio wave reflections originating at low heights in the ionosphere. Dr Gregory found that the emission of protons from solar flares was more frequent than previously known and contributed to the ionization in the polar atmosphere which resulted in radio blackouts that significantly impacted the use of high frequency radio-based technology in Antarctica.

Radio Frequency Bridge [Wayne Kerr Laboratories] <C> The Wayne Kerr Laboratories Limited

Navigational Computer 1939-1945

Prototype PMMA contact lenses Hirst Contact Lens Limited 1968 1960

Con-o-coid Contact Lens trial set Hirst Contact Lens Limited David Volk Eugene Hirst 1966

Machine, Optical Polishing Hirst Contact Lens Limited 1954

Drill, Contact Lens [Polymethyl metacrylate (PMMA)] Hirst Contact Lens Limited 1968

Vertometer, Haptic Hirst Contact Lens Limited Department of Scientific & Industrial Research 1946 1947

Vertometer Bausch and Lomb Optical Company Hirst Contact Lens Limited

Projection Vertexometer Nippon Kogaku K. K. 1978

Radiuscope Mitutoyo Corporation

Grenade - German Stick

Sectioned Grenade - Composite

Grenade - Mills Bomb Type

Taxi Meter [Novel] Nishibe Keiki Manufacturing Company Limited Taximeter Services Limited

Box of Bullets

Tracer Bullet, 50 Calibre

Practice bomb Circa 1940

Instrument - Optical Clement Clarke

Eye chart Down Bros.

Replica Ammunition Shell. Silver coloured metal.

Ammunition Shell [Replica]

Hispano gun, 20mm, MK5 Original Vernon description: 4 from Vampire 4 from Mosquito 2 demonstration in boxes

Aircraft Cannon [Hispano-Suiza HS.404 Mk.V] Hispano-Suiza

Hispano gun, training, 20mm, MK5, in wooden case. Long wooden case with three metal latches and rope handles. Painted grey on top with red writing. Original Vernon description: 10 x 20 mm cannons: 4 from Vampire 4 from Mosquito 2 demonstration in boxes

Aircraft Cannon [Hispano-Suiza HS.404 Mk.V] Hispano-Suiza

Hispano gun, demonstration model, 20mm, MK5, in wooden case. Long wooden case with metal latches and rope handles. Unpainted. Original Vernon description: 10 x 20 mm cannons: 4 from Vampire 4 from Mosquito 2 demonstration in boxes

Aircraft Cannon [Hispano-Suiza HS.404 Mk.V] Hispano-Suiza

1508 results. Displaying results 1 - 50.

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