ith the ropes and the man required to fix the tackle. The crane driver simply lowers the The lecturer then took his hearers on a couple of Free and Dirigible Balloons. imaginary balloon trips, and gave them an idea of the magnet on to the piece of metal to be lifted, and ex- BT EMILE GUABINI.… … two parts, the outside bell- DOOLE LIFTING MAGNET AT WORK RAISING TWO I-BEAMS. the World's Fair. It is 17% shaped cover and the mag- feet in diameter and 17% net proper, or coil. The cover is utilized to protect feet long, and will hold 14,000 gallons. It is made fessor at the military school of…
Torpedo · Patents · Apparatus · Solio · Scientific American · Device · Power station · Lifting magnet · Solio time · Royal society · American june · Resistance box · Torpedo boat · Protected cruiser · Gas engine
Internet Archive · Public domain (published before 1931). Free to use for anything.
