[posted] Posted (#63517, Humphrey) !

[Chuck Greif]

A Practical Manual, by Samuel Dwight Humphrey                            63517
  [Full title: A Practical Manual of the Collodion Process, Giving in
                Detail a Method For Producing Positive and Negative Pictures
                on Glass and Paper.]
  [Link: http://www.gutenberg.org/6/3/5/1/63517 ]
  [Files: 63517-8.txt; 63517-h.htm]

Thanks to Tom Cosmas produced from files generously
provided on The Internet Archive. All resultant materials
are placed in the Public Domain.



Chuck


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