Collins, A. Frederick (Archie Frederick), 1869- · Boston, Small, Maynard and company · leaf 166
oval hole 1 inch wideand 2 inches long in the sheet and V2 inch downfrom the major chord, as the straight edge ofthe semi-circle is called, and make a door % inchlarger all round, hinge it and rivet the hinges tothe sheet so that the door will swing over theopening. For the water gauge drill two… … ^ w^i4 *# <Vt* to
Steam-engines
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