Antique Chevalier Paris Mother of Pearl Opera Glasses – Brass Patina, Working Mechanism (c. - Dual barrel Galilean optics with central wheel focusing shaft - 1850-1900 - France - Chevalier #19th century #antique optics #brass patina #chevalier paris #collectible opera glasses #galilean binoculars #historic binoculars #mother-of-pearl #opera glasses #vintage optical instruments
Theatre binoculars - Emil Busch Multinort gilt-brass & leather opera glasses w/ folding handle - 20th Century - Germany #20th century #emil busch #Germany #gilt brass #leather #opera glasses #optical device #theatre binoculars