A Swift ‘Dick’ Polarising Microscope

A Swift ‘Dick’ Polarising Microscope

£1,850

A Swift "Dick" Petrological Microscope, c.1891 with interesting Provenance

Circa

1891

Country of manufacture

UK and Ireland

Category: Microscopy

Description

A Swift “Dick” Petrological Microscope, c.1891, English, signed to foot ‘J Swift & Son, London’, standing on large cast brass foot finished in lacquered and oxidised brass, trunnions at top support the body, with a large plano-concave mirror on gimbal below the substage, the substage assembly with rotating Nicol prism on fold out arm, an iris diaphragm and focusing condenser all on rotating divided circle for angular measurement, square stage with a Swift 2″ patent stage and slide clips in the case lid, the main body to the rear of stage incorporating the ‘Dick’ rotating mechanism with fine focus via screw and course focusing via diagonal rack work, the body tube incorporating a sliding plate with wheel of apertures and slide in/out Bertrand lens, to top a rotating and folding analyser engraved with 45 degree positions, complete with three Swift objectives, an eyepiece in the original mahogany case. With two signed copies on petrology belonging to the original owner Dr. P. A. Sabine.

 

Provenance: from the estate sale of P.A. Sabine, Dr of Geology, Sabine’s specialist subject was Petrology, and he was a former Deputy Director and Chief Scientific Officer of the British Geological Survey

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GB Apsley

We have been dealing in antique scientific instruments for 20 years at fairs and on ebay. We now deal on Fleaglass on which sits our complete and ever changing stock of rare and unusual instruments. We also exhibit at the Scientific Instrument Fair run twice a year in London. Please do let us know if you're interested in items you don't see in our stock or if you are interested in selling items from your own collection.

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