~GOOD UNSIGNED GREGORIAN TELESCOPE c.1800~

~GOOD UNSIGNED GREGORIAN TELESCOPE c.1800~

$850 USD (600 GBP) + shipping

A GOOD 2 1/2 INCH DIAMETER, BRASS GREGORIAN TELESCOPE C.1800

Dimensions

18 x 14 x 2 1/2 inches (45 x 35 x 7 cm)

Circa

1800

Maker

unbranded

Country of manufacture

UK and Ireland

Categories: Engineering antiques, Office Antiques, Telescopes - Reflecting

Description

A well used but not abused 2 1/2 inch diameter, brass Gregorian reflecting telescope c.1800. Early roping of the brass, circular knurled nuts to the body tube, pivoting and rotating stem terminating in folding cabriolet legs with post screw for the field. Overall length (including eyepiece) is 18 inches and it stands 14 inches tall. Barrel has one small dent 1/2 inch from the end. Excellent primary and secondary speculum metal mirrors. Good optics with focussing by short worm and screw. Suitable box found for storage. Streaky lacquer to top of barrel. 70% lacquer coverage intact.

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Dealer information

CA ScientificaOpticae

Scientifica Opticae

Mark Hacking (Scientifica Opticae Inc.) has been an avid collector/dealer for over 40 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). As of Nov. 1/24 my email has changed to either [email protected] or [email protected].

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