TY  - BOOK
AU  - Porter,E.G.
TI  - Printing
U1  - 655 
PY  - 1930///
CY  - London
PB  - Sir ISAAC Pitman
KW  - Printing
KW  - History
KW  - Instruments
KW  - Prints
KW  - Printing machinery and supplies
N1  - Includes index
ER  -