The principles of pump-work illustrated, and applied in the construction of a new pump without friction, or loss of time, or water, in working [electronic resource] : Humbly proposed for the service of the British Marine, with the privilege of His Majesty's Royal letters patent. By Benj. Martin
The first page contains a copy of the patent, dated: "the fifth day of July, in the sixth year of [George III's] reign", i.e. 1766., Reproduction of original from British Library., and AVAILABLE ONLINE TO AUTHORIZED PSU USERS.
English Short Title Catalog, T25356.
Electronic reproduction. Farmington Hills, Mich. : Cengage Gale, 2009. Available via the World Wide Web. Access limited by licensing agreements.