Pair of plastic opera glass binoculars

Pair of ?Galilean? type opera glass binoculars (3-4 power &

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Pair of ?Galilean? type opera glass binoculars (3-4 power &
Science Museum Group
© The Board of Trustees of the Science Museum

Pair of ‘Galilean’ type opera glass binoculars (3-4 power & 23mm objective lenses), ‘TIVOLI’ model, patent No. 410292 with plastic body and chrome plated brass parts, by A. Kershaw and Sons Ltd., 1930-1960.

Details

Category:
Optics
Object Number:
1979-848
Materials:
plastic (unidentified), brass (copper, zinc alloy), chromium plated and glass
Measurements:
overall: 35 mm x 105 mm x 50 mm, Wt. 0.142kg
type:
opera glasses and binoculars
credit:
Frank, Arthur