TY  - BOOK
AU  - Schimmelman, Janice G.
TI  - American Photographic Patents 1840-1880: the Daguerreotype & Wet Plate Era
SN  - 1-887694-20-x
PY  - 2002///
CY  - Nevada City, NV
PB  - Carl Mautz Publishing
KW  - Photography
KW  - Genealogy
ER  -