The electro-therapeutic guide, or, A thousand questions asked and answered . ted lime, or bleaching powder, which gives off thefumes of chlorine gas, which will ruin the metal parts, but the fused chlo-ride of calcium, which comes in rough, hard lumps. It should be thor-oughly baked, bone-dry, in a deep, flat granite or earthen vessel and keptinside the case, all the time. Being very hygroscopic, it quickly absorbsall the moisture in the case, and keeps the air within quite dry. As it getswet it becomes soft and sticky, and should be then removed and againthoroughly dried or baked. Do not allo
The electro-therapeutic guide, or, A thousand questions asked and answered . ted lime, or bleaching powder, which gives off thefumes of chlorine gas, which will ruin the metal parts, but the fused chlo-ride of calcium, which comes in rough, hard lumps. It should be thor-oughly baked, bone-dry, in a deep, flat granite or earthen vessel and keptinside the case, all the time. Being very hygroscopic, it quickly absorbsall the moisture in the case, and keeps the air within quite dry. As it getswet it becomes soft and sticky, and should be then removed and againthoroughly dried or baked. Do not allow it to get on the stove or metalpart, as it will ruin it, but when carefully handled it is safe and reasonablysure. The same calcium can be used over and over indefinitely. Proba-bly the safest, quickest and cheapest way of drying the case is the jar ofcracked ice and rock salt. Do not use snow or common salt, or forget thesaucer, but use as follows: Take a one-quart glass fruit jar with screw top,fill with a mixture of chopped ice and rock salt, screw down the cover and. 138 THE ElvECTRO-THERAPEUTlC GUIDE wipe the moisture from the outside of the jar;place the jar in a saucer or bowl inside the case of static machine, closethe door and set the machine in motion, keep-ing the plates moving until the machinebegins to generate at its best. After, say anhour, when the ice is fairly melted, removethe jar and quickly close the end door, so asto prevent the outside air from getting in-- ; to the case. This simple remedy will dry the i I ? air within the case in from five to twenty min- j ; ^ utes. Materials for this experiment are ac- ^ , cessible to every phj^sician at all seasons of ~-^^ ^ -^ the year, and the application of this remedy ^ „ „- is entirely free from danger of corrosion of the metal parts of the machine and the anno^angcare and labor of frequent drying and baking of chloride of calcium. Apply the remedy when next your machine refuses to generate, andit will insu
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