Show if f erent Ways to Keep Radiator From Freezing Alcohol still holds the lead as the material to keep automobile ratters ra ra- tore tors from freezing In the opinion the bureau of ot standards at Wash- Wash ton on Warning Is II given however t If It wood alcohol Is used care must taken that It does not contain acid Ich Is likely to corrode the radia- radia or other parts part of ot the circulatory item lem em The great drawback to alcohol Is IsI IsIt t I It e operates evaporates from the solution I has to be bo replaced says the bua bu bu- ao a 11 Glycerine does not have this but is more expensive Tests ells ests on a number of ot different fedi di d. of ot antl freeze anti freeze preparations have haYI n a maae by the me bureau or of stana lit a says a bulletin telling of ot the rk irk The use of ot kerosene Is not Its vapors are bIe ble and Its Us high and uncertain boll boll- point Is likely to lead to serious Cheating of ot the engine or even to toi i melting of solder In the radiator false also has a slight sol solvent vent action for tor ber CalcIum chloride is frequently I to prevent freezing and Is found round Ibe he be very effective It has hal however a decided corrosive e action e especially on solder and aluminum This salt forms the basis of ot many of ot the patent freeze antl solutions on the market and to some of ot these a soluble chromate chromate chromate chro- chro mate Is added for tor the purpose of preventing pro pro- venting corrosion The bureau found very little corrosion of ot most of ot the engine and radiator materials when the chromate was Included the aluminum aluminum num parts alone being attacked Another troublesome effect of ot calcium calcium calcium cal cal- chloride Is found to be Its tendency tendency tend tend- ency to cause short circuits when it gets on the spark plugs or Ignition wires When cold it absorbs moisture moIsture moisture mois moIs- ture and forms a very good condu conduct conduct- t- t Ing lag layer where such a layer Is not desired It Is very dl to remove remote and short circuits caused by It are hard to find because they disappear when the engine gets hot Honey and glucose are aie are found unsatisfactory un un- satisfactory In that a high percentage solution Is required to pre ent freezing freezing freez freez- ing and such solutions flow very slowly There Is danger also of ot depositing depositing depositing de de- positing sugar from them In the circulating circulating cir clr cir cir- system Low percentage solutions do not lower the freezing point to any Rny great extent but they do prevent bursting of ot the radiators When such a solution freezes it turns first to a slush which must be cooled to a considerably lower temperature before it ft turns solid soUd The liquid meanwhile becomes more and more concentrated as liS the crystals of ot ice freeze out of It and requires a loner lower low lon er temperature to produce further freezing |