R-B
TL 620 ~-B3 A3
MRGRRBK TL620.B3 A3
Baldwin, Thomas.
Airopaidia: : containing the narrative of a balloon excursion from Chester, the eighth of September, 1785, taken from minutes made during the voyage: hints on the improvement of balloons ... To which is subjoined, mensuration of heights by the barometer, made plain; with extensive tables. The whole serving as an introduction to aérial navigation. With a copious index. / By Thomas Baldwin ... -- Chester: : Printed for the author, by J. Fletcher; and sold
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