Box Elder News Journal | 1913-01-02 | Page 6 | Device Needed by Aviators

device needed by aviators aviation devotees are giving sonis some attention to the demand for a magnetic compass which will not be affected by the vibrations of the machine the same difficulty is being experienced by the airmen as was nas encountered by those who had occasion to descend in submarines some english flyers are experimenting with a device which has been tried with more 0 less success on submarines submarine sand and which was devised by the commander of a submarine boat it consists ot of the usual mariners marinero ma compass floating in oil contained in a case which rests in a bed of horsehair the horsehair Is not packed at all densely but bul its springiness Is so great and enduring that it makes an excellent protection against the vibrations of tho the motor