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E (Stack)Martin, Benjamin
Microscopium Polydynamicum: or, a New Construction of a Microscope, wherein a Variety of Magnifying Powers is communicated to each Object-Lens; so that by Four Lenses only, more than One Hundred different Magnifying Powers are immediately attainable in this Form. ...
London: printed for, and sold by the Author, in Fleet-street, no. 171, and by the Booksellers in City and Country. A.D. 1771. 8vo. R. S. Clay's copy (purchase).
[1949- ]
1771