Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 292
a« a ao 0] C3If !B or w dCO a> p d rH C1-^ ♦J(D ^ O £1 u 01 r 3 1^Q ^ a-d « -2: .2 … Z O : •aao a, •a a o o a u•^ tl-l o 3t; - O :«■O ho .a ••3SO A 3 Oh 3 Eh STEEL CONSTRUCTION 225 case, the holes should be punched ^\ in. smaller than the diameterof the rivet, and then reamed to a diameter ^\. in. larger than the rivetso as to remove all ragged edges; the bolts would be turned down…
Architecture · Building · Carpentry
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