Front cover image for Patents for inventions : abridgments of specifications relating to hinges, hinge joints, and door springs. A.D. 1775-1866

Patents for inventions : abridgments of specifications relating to hinges, hinge joints, and door springs. A.D. 1775-1866


Print Book, English, 1873
Printed by George E. Eyre and William Spottiswoode, printers to the Queen's Most Excellent Majesty, London, 1873