Telephony Volume 60 - McMeal, Harry B
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1911 Excerpt: ...dry with clean cotton waste. The samples shall be cleaned and dried before being immersed in the solution. The samples, when placed in the solution, shall he well separated to permit the solution to act uniformly on all immersed portions of the samples. The samples shall be tested in a neutral solution of commercial ...