Perry and Goddard's perpetual revolver...

SCIENTIFIC AMERICAN, New York, November 18, 1868

* Perry & Goddard's perpetual revolver

 

This 16 page issue is in nice condition and contains illustrations, accompanied by text, of the latest inventions of the day including: "The Perry and Goddard 'Double Header,' or 'Perpetual Revolver'", and "Double Seated Lock Safety Valve".