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MANAGERS AND PROJECTION I ST> 1093
liness around storage batteries is next to good service by the batteries, and dampness and dirt is "next to trouble," and plenty of it.
The man who permits dust and dirt to accumulate on his battery tops, or who slops water on them in filling the cells, and permits it to remain there, is issuing an engraved invitation to Old Man Trouble to step in and sit down. He will, in all human probability, do it, too!
Keep the tops of your batteries scrupulously clean and dry. If in filling a cell you accidentally slop water on its top, wipe it off perfectly dry as soon as the filling is complete. Examine the battery tops at a regular set time each week. By that is meant that some certain day should be set apart as "battery examination day." Clean the battery exteriors thoroughly, particularly the tops. Draw a cloth under all connecting bars to remove accumulations of dust and moisture.
A dirty battery top speaks in eloquent terms of a sloppy, neglectful man in charge.
Accumulations of dust, dirt and (or) moisture on the battery tops will set up current leakage, which in turn sets up an effect in the amplifiers made manifest at the horns in the form of noise very similar to what is termed "surface noise. " This is equally true of any and all systems of sound reproduction.
CLEANING SOLUTION.— A cloth dampened with ordinary household ammonia is excellent for cleaning battery tops, because not only is the ammonia cleansing, but also it serves to neutralize any battery acid (electrolyte) which may be there — droppings from tip of