Laying out for boiler makers and sheet metal workers; a practical treatise on the layout of boilers, stacks, tanks, pipes, elbows, and miscellaneous sheet metal work . o m X HO u D o O. 2 >-!M &uK HO oS s < o< no LAYING OUT FOR BOILER MAKERS lialdt mr of IJedU.^IS thre&da per 1 Inside and outsideNuts ^^gdeep Outside reirs of thcMds per Iloslde and outside- Kuts iVi8 deep

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Keywords: ., bookcentury1900, bookdecade1900, bookidl, booksubjectsteamboilers