The practical telephone handbook and guide to the telephonic exchange (1906)
Poole, Joseph · New York, Macmillan Co. · leaf 366
oned, and forc-ing into the pores of the timber a quantity of creosote, anoily and antiseptic product of coal-tar. About 12 lbs. ofcreosote should be absorbed per cubic foot of timber. Thisprocess, if properly carried out, effectually protects the polefrom wet-rot, which attacks unprotected poles… … 338 PRACTICAL TELEPHONE HANDBOOK the top of one and the bottom of a smaller one being fittedtogether for some 8 or 10 feet, and then firmly clamped withiron bands. A minor objection to creosoted poles is that they cannotbe properly painted, as the oil oozes out. Their appearanceis not, therefore,…
Telephone
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