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Show HYDROMETER BATTERY TESTS MPUIED Manager of Monarch Motor Company Tells How to Use Device. pue to the efforts of storage battery manufacturers toward educating the motoring mo-toring public in the necessary care of their batteries, most battery owners are now familiar with the use of the hydrometer hydrom-eter for testing the battery solution. That motorists sometimes deceive themselves, them-selves, however, by using the dydrometer tmder improper conditions is ex pin ined hy E. E. Darling, manager of the Monarch Mon-arch Motor company, the Prest-O-Lite battery Hprvhe station man. "Hydrometers are recommended 1o battery bat-tery users for testing the battery's condition, con-dition, because they are the simplest and most underMtandabJo device available for the average motorist's use," says Mr. j Darling. "At host ihey an serve only j to indicate approximately the sta t e of charge or discharge of the battery and i unless properly used they tell nothing of j value. I "The most common error among mo- I torists testing their own batteries is j taking hydrometer readings immediately after distilled water has been added. The ; solution lias been brought to the proper : level and presumably is In ideal propor- , tions for a test. "To get the most out of hydrometer testa motorists -should bring the battery solution up to the proper level by the addition ad-dition of distilled water and then defer taking a reading of the solution until the automobile has been run. a few hours and the water, through the generator charging process, has had an opportunity to thoroughly thor-oughly mix with the rest of the solution. "If the hydrometer is regularly used- in this way and the motorist will occasionally occasional-ly avail himself of such testing service as may be had at our battery service station", 139 East Second South street, minor irregularities in the battery can be rectified brfore they become serious. We also test Prest-O-Lito gas tanks free." |