Main frame, for Automatic Computing Engine (ACE) pilot model, 1949

Test type to test eyesight, England, 1920-1960

Osram W30 VM RF catkin pentode valve (McVitie Weston valve collection), 1935-1972

Blue Osram lamp with box

Letter 'L' decorative neon light bulb

Osram tungsten filament projector lamp

Osram coiled filament light bulb

Osram decorative light bulb

Osram light bulb

Osram Axial Type light bulb

Osram screw cap light bulb

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