~FABULOUS PAIR OF TORTOISESHELL and GILT BRASS OPERA GLASSES-NEGRETTI & ZAMBRA~

~FABULOUS PAIR OF TORTOISESHELL and GILT BRASS OPERA GLASSES-NEGRETTI & ZAMBRA~

$400 US + postage (OBO)

best pair of T shell opera glasses on the market-gilt brass- Negretti & Zambra c. 1860

Dimensions

90 x 125 x 55 mm.

Circa

1860

Country of manufacture

UK and Ireland

Categories: Telescopes - Refracting, Opera Glasses, Binoculars, Office Antiques, Engineering antiques

Description

Finest pair of tortoiseshell opera glasses ever. Rarely used, fine gilding on the ornate brass work machining, no cracks, chips or other faults. Perfect optics and a rare signature with 4 addresses c. 1860. 40 mm. object lens diameter, 15 mm. ocular lens diameter, 90 mm. fully extended, 75 mm. closed. Signed Negretti and Zambra, Opticians, London. 1 Hatton Garden, 59 Cornhill, 122 Regent Street, 153 Fleet Street. c.1860. Case with scuffs measures 120 x 90 x 55 mm. with handle and secure clasp. These were produced as a special order at the height of the firm. A spectacular example with a seldom seen signature. 

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CA ScientificaOpticae

Scientifica Opticae

Mark Hacking (Scientifica Opticae Inc.) has been an avid collector/dealer for over 30 years. A former Science teacher, he has an innate love for anything natural or mechanical. Specializing in optical (microscopes, telescopes), surveying, medical, weighing and drawing instruments, he is an active participant of the Scientific Instrument Fair in London. Living in Stratford, Ontario, Canada, with his wife and two children; Mark looks forward to meeting as many fellow collectors as possible, and has a worldwide following on eBay (Sciopti).

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