Periscope | Science Museum Group Collection

Periscopic bubble aircraft sextant, Type 1A, No. 2053; Mount for periscopic bubble aircraft sextant; Mahogany carrying case, for periscopic bubble aircraft sextant; Steel carrying case, pyramidal shaped, for periscopic bubble aircraft sextant; Cardboard box, internally padded to fit lower half of steel carrying case; Cardboard box, internally padded to fit upper half of steel carrying case; Cardboard box – inscribed with: ‘Comet Sextant’ - to fit over lower and upper internally padded cardboard boxes: all objects by Kelvin and Hughes (Aviation) Limited, Barkingside, Essex, England, 1950-1951. The periscopic bubble aircraft sextant was used on the De-Havilland Comet passenger jet aircraft.

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Two-power artillery periscope by C. P. Goerz

Tank periscope

Periscope used in the trenches

Small periscope

Periscope for use in trenches by R.& J. Beck Ltd.

Periscope, French, 1900-1925

Binocular bifocal periscope

Periscope with square mahogany body (17" long)

Binocular Bifocal Periscope Type CKU Number 272

Periscope no.4

Periscope in brass no.130

Stereoscopic periscope by Carl Zeiss

The Vimos periscope

Binocular bifocal periscope

Binocular bifocal periscope

Binocular bifocal periscope

Binocular bifocal periscope

Periscopic aircraft sextant: Type 1A, No. 2053, with mount; mahogany case; steel case; cardboard box upper+lower; outside box