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E (Stack)Martin, Benjamin
Microscopium Pantometricum; or, a New Construction of a Micrometer, adapted to the compound and solar Microscope; shewing by inspection, I. The Magnifying Power of the Object Lenses, and of the Eye-Glasses. II. The Extent of the Field of View. III. The Dimensions of the Real and Apparent Magnitude of small Objects. To which is added, the Description of an Universal Perspective, with a Scale of all its Magnifying Powers
London. Printed for, and sold by the author, no. 171 Fleet-street. [Price ls. 6d.]. n.d. 8vo. R. S. Clay's copy (purchase)
[1949- ]
[n.d.]