A Practical Manual of the Collodion Process, Giving in Detail a Method For Producing Positive and Negative Pictures on Glass and Paper. — Comparison of British and French Weights and Measures.

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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. Comparison of British and French Weights and Measures. · ch 25/27

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