Siemens’ curious trade marks for British subjects for the reason that no pro- be heated in their places and bent. With a nozzle having device of an artificial eye sensitive to light, an invention vision had been made by treaty or act of Parliament extend several jets arranged in an arc, the tire of… … New Remedy for Boiler Scale. Zinc has been shown to be an excellent anti-corrosive in those cases where decomposed grease or fatty acid is the de- stroying agent of boiler metal; butits usefulness is mainly confined to boilers in which sea water is not used. Filtering the feed is an excellent…
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