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OPERA GLASSES AND SPYGLASSES
Selsi Company Inc.
overall front width: 140 mm
Binocular spectacles/opera glass. 2.8X magnification. Black metal frame. Plastic lens mounts. Keyform arched bridge. Fixed clear plastic pads. Elongated centre joint lugs with visible horizontal pinning to sides only. Black plastic sides with drop ends. Cylindrical-shaped lens units with independent focusing.
The Norman Bier Collection, transfer from City University, 2013