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inventions » invention , conventions

by McGill, Grafton L.
Published 1903

s.n

Subjects: “...Inventions, Employees' / United States...”

by Dircks, Henry
Published 1867

E. and F.N. Spon

Subjects: “...Inventions / Great Britain...”

by Edwards, Frederick
Published 1865

R. Hardwicke

Subjects: “...Inventions / Great Britain...”

by Gordon, John William
Published 1908

Jordan & Sons

Subjects: “...Inventions / Great Britain / Patents...”