Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 42
lock at E,which can move only within a slot in the strong bar E F in a circularsegment, the centre of which is at D. The bar we suppose for the momentto be immovable, and disposed symmetrically to C D. Now let an alter-nate up and down motion along the circular segment be given to block E,and the… … s
Inventions
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