, so as to allow the F, on which both the brace, D, and lever, A, catches or projections, A, to be pushed in to them (about one-quarter of their disks project can be operated with less power, are more vibrate. The brace is firm and stationary, couple the pipe, or drawn out to uncouple, and through… … upon a vertical shaft, and rotating between an- one part; these can be raised one after anoth- dle, C, and the other, B’, to lever, A’, in the The accompanying engraving is a perspec- gular bars, which answer the purpose of fingers ; er by this neat, compact, and powerful spener same manner. A…
Internet Archive · Public domain. Free to use for anything.
