TY  - BOOK
AU  - Draper, J. T.
TI  - STEEL SQUARE APPLIED TO ROOF CONSTRUCTION
U1  - 694 
PY  - 1943///
CY  - London
PB  - Technical Press
KW  - Carpenters' Square
KW  - Roofs
KW  - Building -- Tables, Calculations, Etc
ER  -