TY  - BOOK
AU  - Smith, W. J
AU  - Hallam, C. D (jt. auth)
AU  - Turner, E. L. (jt. auth)
TI  - Photo-engraving in relief: a textbook intended for the use of apprentices, and others interested in the technique of photo-engraving
U1  - 686.2327 
PY  - 1951///
CY  - London
PB  - Sir Isaac Pitman
KW  - Photo mechanical processes
N1  - Includes bibliography and index
ER  -