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Margetts, George. *Cab.39.32.3 Margett’s Longitude tables ; for correcting the effect of parallax and refraction, on the distance observed between the moon and the sun, or a fixed star, whereby the true distance is accurately ob- tained, and the longitude from Greenwich found by inspection. London. The Author. [1790.] ii,24 pp. Charts. Engraved title- page. F°.
[This work is kept on the Special Libraries Floor.]
Sept. 28, =e 1903
 
F787 — Longitude.