by means of a stern propeller. cal force to put it into service. The power-transm itting This apparatus can be carried (knocked down) on capacity depends upon the coefficient of friction be- board a man-of-war, taking up- less room than 60 cu- MAGNETIC CLUTCH CAPABLE OF TRANSMITTING tween the two… … amount of electrical Office." He was a close energy required by an friend of Morse's, and efficient magnet is quite together they induced TEST OF TURNING POWER OF MAGNETIC CLUTCH. as surprising as the large Congress to appropriate amount of tractive pow- $30,000 for the expense Length of lever, 20…
Patents · Chicago · Miles · Apparatus · Feet · Scientific American · Inventor · Water Supply · Total number · Cubic feet · Chicago river · Gas engine · Chicago drainage · Controlling works · Square feet · Northern railway
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