Patents for Inventions is an unchanged, high-quality reprint of the original edition of 1876.Hans...

Patents for Inventions - Abridgements of Specifications relating to Photography is an unchanged, ...

Aëronautics - an abridgment of aëronautical specifications filed at the Patent office from A.D. 1...

Patents for inventions: - abridgments of specifications relating to farriery : including the medi...

Patents for inventions: - abridgments of specifications relating to farriery : including the medi...

Report of the Committee Appointed by the Board of Trade - to Inquire into the Duties, Organizatio...