Navigation improv'd
Subtitle: or, The art of rowing ships of all rates, in calms, with a more easy, swift, and steady motion, than oars can. Also, a description of the engine that performs it; and the author's answer to all Mr. Dummer's objections that have been made against it ...
By: By Tho. Savery, gent.
Contributors: Dummer.
Publisher: Printed and sold by James Moxon, at the Atlas in Warwick-lane
Published: 1698
Place of publication: London
Language: eng
Number of pages: 22
Subjects: Navigation -- Early works to 1800.; Ship propulsion