Description of an Engine for Dividing Strait Lines on Mathematical Instruments. By Mr. J. Ramsden, Mathematical Instrument-maker, and Optician. Published by Order of the Commissioners of Longitude
by J. Ramsden
ISBN 13: 9781379706229
Format: Hardcover (30 pages) Publisher: Gale ECCO, Print Editions Published: 19 Apr 2018
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Description of a new Universal Equatoreal, Made by Ramsden, With the Method of Adjusting It for Observation. As Also Instructions for Making Observations With It
ISBN 13: 9781385381786
Format: Hardcover (22 pages) Publisher: Gale ECCO, Print Editions Published: 23 Apr 2018