~ROLLER MECHANICAL STAGE, PATENTED by SWIFT & Son c. 1895~

~ROLLER MECHANICAL STAGE, PATENTED by SWIFT & Son c. 1895~

$149 US + postage

A Travis roller, patented, mechanical stage by J. Swift & Son c.1895

Circa

1895

Country of manufacture

UK and Ireland

Category: Microscopy

Description

A fine Travis roller-type mechanical stage patented by J. Swift & Son c. 1895. Signed, serialised with patent number. Fully functional, original lacquer. Probably for the histological/bacteriological models as the stage was slotted for this type of accessory up until 1920. Operates on twin worm and screw with steel rod to knurled knob.

 

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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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