Inside Out Library
Scientific American, Vol. 36, No. 1 (1877) (1877)
leaf 6
the pins with studs that project from the gates. By this ingenious mechanical device, the cranks im- bodied in a recently published programme of prizes and part, as they rotate, a reciprocating motion to the gates. The programme was prepared The saws that cut down are overhung at the top, while… … —_—— el So block, the lugs formed on which are fitted THE CENTRAL spire of Rouen Cathedral, to notches cut in the edges of the saw. A France, has just been completed. It is PORTABLE GANG SAWMILL. MARSTON’S screw passes through the block and bears 492 feet high, and is of cast iron, © 1877…Internet Archive · Public domain (published before 1931). Free to use for anything.
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