Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 302
order that the pressure on thebottom of the box may be evenly distributed.When lead boxes are used, the tray issimply a flat board. See Insulator StandFOR Accumulators. Treated Filament. See Filament. Treeingf, a spongy lead growth whichsometimes appears on the negative plates ofaccumulators. It is… … Trembler CoilA, Make-and-break contact, B, Battery, c. Condenser. trembler, which makes and breaks the pri-mary circuit, as in a simple electric bell,producing a pulsating current in the secon-dary of the coil. A condenser is usually VOL. 11 connected across the contacts of the makeand break, to…
Electrical engineering
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
