Content Description

Patent by George the Fourth for Peter Hawker's piano forte and other keyed instruments invention. Circular wax seal and paper seal attached.

Content Description

Patent for the invention of improvements of his former patent (1817 October 18) propelling ships and vessels on seas, rivers and canals. Per wikipedia, "Oldham also paid attention to marine propulsion, and in 1817 he obtained a patent (No. 4169) for propelling ships by means of paddles worked by a steam-engine."

Scope and Contents Six photographs with typed descriptions on the reverse. Photographed by Underwood and Underwood of New York and Washington, D.C. Appear to be part of press releases. Includes "A tree-climbing fish" (Queer Fish 8x10), "Human Skulls 20,000 Years Old" (Skulls 8 x 10), "Famous Diamonds of History Reproduced" (Famous Diamonds 8x10), model of the first all steel lighthouse: "Lighthouse" (5x7), testing automobile headlights: "Testing Headlights" (5x7), supplies standards for lamp...