Home-farm power and lighting, a book of helpful instruction on the installation (1920)
Cincinnati, American automobile digest · leaf 120
elyand that the spring tension is good. In somedesigns the movement of the brush arm is limitedby a stop to prevent the brush from wearing to Electric Generators and Motors. 107 such an extent that the brush arm cannot touchthe commutator. When the brush arm strikesthe stop pin, it becomes… … SANDPAPER 5 rpjp
Electricity in agriculture · Electric lighting · Internal combustion engines
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
