this article is a perpetual A is the shaft upon which is placed the loose pulley, mode of sinking a tan-yard and saving labor would be stimulus to inventors to make improvements in its con- thankfully received and liberally paid for. Perhaps B, which is made in the usual manner and turned on its… … sired to stop the machine the lever, C, and a strap, the thimble is moved from being fastened to this ring, is the disk; the friction is thereby withdrawn and the like to have them write to me and let me know the na- brought up within convenient reach of the driver. pulley instantly becomes a loose…
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