A Practical Manual of the Collodion Process, Giving in Detail a Method For Producing Positive and Negative Pictures on Glass and Paper. — BETWEEN THE U. S. COMMISSIONER OF PATENTS AND JAMES A. CUTTING, RELATIVE TO HIS APPLICATIONS FOR LETTERS PATENT.

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A Practical Manual of the Collodion Process, Giving in Detail a Method For Producing Positive and Negative Pictures on Glass and Paper. BETWEEN THE U. S. COMMISSIONER OF PATENTS AND JAMES A. CUTTING, RELATIVE TO HIS APPLICATIONS FOR LETTERS PATENT. · ch 13/27

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