Description of an engine for dividing strait lines on mathematical instruments [electronic resource] : By Mr. J. Ramsden, mathematical instrument-maker, and optician. Published by order of the Commissioners of Longitude
Reproduction of original from the British Library. Available online to authorized PSU users as part of the Medicine, science, and technology series of Eighteenth century collections online.
Reproduction Note:
Electronic reproduction. Farmington Hills, Mich. : Thomson Gale, 2003. Available via the World Wide Web. Access limited by licensing agreements