Opera glasses

Details Opera glasses Opera glasses

1988-04-28

1990-02-06

Word, A. Hugo

Photography and optical equipment

Optical article not elsewhere specified

Telescope

Patent

active

D03059022

REFERENCES:
patent: D106310 (1937-10-01), Ludovici
Selsi Co., Inc. catalog, p. 10, Opera Glasses, No. 205.

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