^tuutifit AmtxiMu. November io, 1883.] 291 … Fig. 4.-THE FAN MOTOR. Fig. 7 is a device by Mr. Griscom for applying poles extends laterally beyond the ring, forming the motor to a boat, which, as will supports for the plates which carry be readily seen, can be propelled, the bearings of the armature shaft steered, and backed, without rudder…
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