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H. Ihlenburg, Font of Printi …

Ihlenburg, Hermann, 1843-190 …

patents

J.M. Connor, Font of Printin …

Conner, James M.

patents

F.M. Powell, Printing Type

Powell, Frank M.

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C.E. Heyer, Font of Printing …

Heyer, Charles E.

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C.E. Heyer, Font of Printing …

Heyer, Charles E.

patents

H. Ihlenburg, Font of Printi …

Ihlenburg, Hermann, 1843-190 …