~UNUSUAL SIMPLE/COMPOUND HAND HELD MICROSCOPE WITH SLIDE~

~UNUSUAL SIMPLE/COMPOUND HAND HELD MICROSCOPE WITH SLIDE~

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An unusual simple/compound hand held brass microscope with diamond etched glass slide c.1850

Dimensions

8.5 x 2 cm. wide

Circa

1850

Maker

unbranded

Country of manufacture

UK and Ireland

Categories: Office Antiques, Engineering antiques, Natural history, Mineralogy & Gemmology, Microscopy

Description

An unusual bifold (sprung), brass simple/compound hand held magnifier/microscope with knurled screw adjustment of focal length and three interchangeable and stacking lenses in perfect condition. Magnification when all three lenses stacked is ~20X (see last photos). Overall length is 3 1/2 inches (8.5 cm.).Together with a red painted edge, diamond etched slide labelled “Bambusa”(bamboo) showing cross and longitudinal sections (perfect) held in place by a pair of brass forks. Delightfully simple and well engineered, operationally. Hard to date but appears to be c.1850 judging by the knurling of the adjustment nut/knob. English.

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Dealer information

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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