A Practical Manual of the Collodion Process, Giving in Detail a Method For Producing Positive and Negative Pictures on Glass and Paper. — PATENT FOR THE USE OF ALBUMENIZED COLLODION.

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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. PATENT FOR THE USE OF ALBUMENIZED COLLODION. · ch 21/27

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