Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 601
ism is elec-trically controlled and operates fourshafts which turn the dial gears onceeach minute. These dial gears ar3 lo-cated back of each set of hands on eachof the four clock faces. The towermovement receives its impulse onceeach minute from the master clockwhich is located in the main… … iJrtH!»lii|lliyiJI 1^ »ijf- 1^ g-^y- i;^«s^
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