minutes, the compressed air is allowed to escape Electrical Bleacliing. suddenly. The air has time to find its way into all M. Bonneville (in the Teinturier Pratique) gives the cans which are not soldered perfectly tight, so that an equilibrium of pressure is maintained outside and in- following… … WOBLEY'S IMPBOVED DOOB OPENEB. HUTCHINGS' APPABATTTS FOB TESTING SEALED CANS, in the bath the two electrodes in carbon of one pile, the decoloring oxygen is ff (Pig. 3), and the keeper is formed with a cross piece, the air within the defective cans fails to find ready constantly renewed by the…
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