Horne Thornthwaite & Wood 123 Newgate St. London

Stage-focusing monocular microscope, c.1848

Horne Thornthwaite & Wood 123 Newgate St. London. Stage-focusing monocular microscope, c.1848
Horne Thornthwaite & Wood 123 Newgate St. London. Stage-focusing monocular microscope, c.1848
Horne Thornthwaite & Wood 123 Newgate St. London. Stage-focusing monocular microscope, c.1848
Horne Thornthwaite & Wood 123 Newgate St. London. Stage-focusing monocular microscope, c.1848
Horne Thornthwaite & Wood 123 Newgate St. London. Stage-focusing monocular microscope, c.1848
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The main focus utilized with this microscope operates on the stage by rack and pinion. The tube remains stationary and has a fine adjustment operated by the milled knob attached to the tube which moves the nosepiece. The microscope is designed to pivot upon its pillar. Another microscope by the same makers with a similar focusing arrangement can be found elsewhere on this website.

The firm was established around 1840 by the purchase of the instrument business of Edward Palmer, London. Instruments by this firm had the signature Horne, Thornthwaite, & Wood, London from c. 1840-1860 after which, the  instruments were signed Horne & Thornthwaite, London (c. 1860-1880). By 1886 Wood rejoined the firm.

An advertisement by Horne, Thornthwaite & Wood from 1846 showing a microscope with a similar design

An advertisement by Horne, Thornthwaite & Wood from 1846 showing a microscope with a similar design.

See this extensive essay on the firm

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