Powell & Lealand, 170 Euston Road, London
The No.1 binocular microscope dated 1892
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The instrument is equipped with two interchangable binocular prisms: a Wenham prism (introduced in 1860) and the non-stereoscopic P&L prism for high powers (introduced in 1865).
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Read the description of the Powell & Lealand No. 1 in Carpenter, The Microscope and its Revelations, Dallinger Edition (8th) 1901
Elsewhere on this website is an example of the monocular version of this microscope.
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