An extremely early, rare and fine pre-achromatic Adams/Jones-type microscope by Dollond with many unusual features c.1760.
Firstly, the ocular lens is a singlet, not an achromatic doublet that Dollond fought so hard to patent.
Secondly, the brass work of the eyepiece and body tube mimics that of Adams (pleasing tapering shape).
Thirdly, the folding feet are trapezoidal, not rectangular as seen on the Jones models c.1800. Signed “Dollond, London” in flowing script, not block style.
Lastly, the “in between” substage condensing lens of
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