^tmtxUt %mtntm. May 21, 1892.] 327 AN ELECTKIC CHIHE. pressed downward by springs—the roller … why any one with a mechanical turn of mind On the minute hand arbor are secured two Fig. 4.-LET-0FF MECHANISM. cannot construct a chime without much cams, a, and to the frame of the clock is secured the spring arm, B, furnished with a expense. All that is needed is a lathe, a few tools and eight or…
Steel · Oil · Munn · Patents · Magnet · Magnetic · Scientific American · Water Supply · Total amount · Cast Iron · High grade · Upper ends · Express money · Palm oil · Steamship city · Steam loop
Internet Archive · Public domain (published before 1931). Free to use for anything.