TY  - BOOK
AU  - WORN, REUBEN HENRY
TI  - SHEET METAL WORKER INSTRUCTOR PRACTICAL RULES FOR DESCRIBING THE VARIOUS PATTERNS REQUIRED BY ZINC SHEET IRON COPPER AND TIN PLATE WORKER
U1  - 671.823 WAR'S 
PY  - 1946///
CY  - LONDON
PB  - TECHNICAL
ER  -