… a slow leakage of air into or out of it around the pist an rod : according to the pressure therein, so that the … which this engine may 6 be applied I have shown its pist on rod connected with a pawl R the oscillation of which drives …
… it, the effect of variations in such force being merely to produce corresponding variations in the length of stroke or … by making provision for the attachment to the piston rod. of one or more weights h'. Since the only work which … is the reciprocation of the valve attached to the piston rod, its load is substantially uniform and its period by …
… find himself anticipated by some one who, instead of making lightning by the aid of Niagara, will utilise it as we find …
… Franklin proposes "The Philadelphia Experiment", invents lightning rods, identifies + and - electricity, invents the parallel …
… a slov leakage of air into or out of it around the pistan rod according to the pressure therein, so that the pressure … which this engine may 6 be applied I have shown its piston rod connected with a pawl R the oscillation of which drives …
… Transformer: Conducting rods: Insulating support: Connecting wires: Fuse: Figure 5.2 … ignition transformer (10,000 VAC at 23 mA) 1/4 inch brass rods (threaded or smooth) 6 inch long piece of a well dried …
… with the inventor of the Tesla coil, an artificial-lightning device familiar to high school physics students. … coil could generate extremely high voltages and emit huge lightning like sparks from a big copper ball atop a tall …
… Peak Avenues sometime in 1899 which threw out bolts of lightning some 135 feet long. It blew out all the lights in … twenties and arrived in Colorado Springs in 1899 to observe lightning at high altitudes. He believed that metal deposits …
… a display of electrical wizardry rivalling any of the best lightning storms. Ever congenial, dapper and erudite, … the region, and it was here that he discovered that lightning striking the earth induces stationary waves within … biggest electrical coup occurred when he created 135-foot lightning bolts and thunder from a 200-foot mast at his …
… taken off down to 19 turns there was no spark between the rods even at a distance of 1/64" but when the hand was … be drawn 3/4" long and then spark would jump between the rods. This obvious and easily explained. 140 3/4" 7/8" 1/16" …