http://book.klll.cc/ebooks/subject/35564.opds 2025-08-19T23:11:06Z Books about Ambrotype (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-19T23:11:06Z https://book.klll.cc/ebooks/63517.opds A Practical Manual of the Collodion Process, Giving in Detail a Method For Producing Positive and Negative Pictures on Glass and Paper. S. D. Humphrey