Pair of minature opera glass binoculars

Pair of minature?Galilean? type opera glass binoculars

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Pair of minature?Galilean? type opera glass binoculars
Science Museum Group
© The Board of Trustees of the Science Museum

Pair of minature‘Galilean’ type opera glass binoculars, ‘iris’ model, (2 power & 18mm objective lenses), brass with leather covering, unsigned, Paris, France, 1900-1920.

Details

Category:
Optics
Object Number:
1979-844
Materials:
brass (copper, zinc alloy), leather, paint and glass
Measurements:
overall: 27 mm x 90 mm x 40 mm, Wt. 0.098kg
type:
opera glasses and binoculars
credit:
Frank, Arthur