TY  - BOOK
AU  - WARN, REUBEN HARRY
TI  - SHEET METAL WORKERS INSTITUTE PRACTICAL RULES FOR DESCRIBING THE VARIOUS PATTERN REQUIRED BY ZINC SHEET IRON COPPER AND TIN PLATE WORKER
U1  - 672.07 WAR'S 
PY  - 1946///
CY  - LONDON
PB  - TECHNICAL PRESS
ER  -