TY  - BOOK
AU  - Boggs, Winthrop
TI  - Early American perforating machines and perforations, 1857-1867
PY  - 1954///
CY  - New York
PB  - The Collectors Club
KW  - United States | Production | Perforation | Perforation -- Private | 1857-1867 | 19th Century | Errors and Varieties | Perforating Machines
ER  -