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Scientific American, Vol. 98, No. 21 (May 1908) (1908)

leaf 11

An illustration from Scientific American, Vol. 98, No. 21 (May 1908), 1908, leaf 11
hout disturbing the master clock, be observed that the cups are screwed into a this improved filter has recently been secured by the which would continue to keep perfect time, and after hard rubber top plate and make contact, respective- Electric Perfect Filter Company, of 111 Broadway, the repairs… … through slots in the side walls of the fork, and en- GATHERING AND LOADING FOBS. this arm, which engages one of the legs of the plate. gage the slotted curved arms D of a pair of opposite The pendulum rod is swinging in the direction of the levers. Hooked to the opposite ends of these levers is…

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