Steel square : use of the scales roof framing illustrative problems other uses
Townsend
Steel square : use of the scales roof framing illustrative problems other uses / Gilbert Townsend. - 2nd ed.. - Illinois American Technical 1939. - 172p. ill. 21cm
0826906850
Books
Carpenters' squares
694 TOW 1939
Steel square : use of the scales roof framing illustrative problems other uses / Gilbert Townsend. - 2nd ed.. - Illinois American Technical 1939. - 172p. ill. 21cm
0826906850
Books
Carpenters' squares
694 TOW 1939