United States. Surgeon-General's Office, American Roentgen Ray Society · New York : Middleditch · leaf 76
nd moisture may impair the insulation ofbarriers or disc. Remedy: Keep clean and wipe with acloth slightly moistened with kerosene. The cross-arm type must be well insulated where thearms pass through the shaft. If a break occurs there, itis not possible to patch it up. Get a new arm. FVjl f i r Li… … Fig. 32. Secondary circuit for disc type of rectifier.
