ec.the lamp (which is in series with the condenser) is seen toglow faintly. Meanwhile, the bubbling at either end of thecondenser has become quite violent, as the steam, escap-ing from the condenser, tends to cause a partial vacuum,thereby drawing in the wax which takes the place of themoisture… … The Philbrin single-sparkinterrupter:
Automobiles · Aeronautics
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