Graph illustrating trend of utility industry in use of poles; strength of American woods compared; empty cell treatment now almost universal; microscopic analysis; termites now found in all but three States; new roof retards checking and affords better drainage; pretreatment; increasing labor costs in relation to pole-line service. (See also Telephone Engr vol. 34, no. 7, July 1930 pp. 21-24, 6 figs; Telephony, vol. 99, no. 3, July 19, 1930, pp. 23-25, 7 figs.; Ry. Age, vol. 88, no. 21, May 24, 1930, pp. 1241-1242, 2 figs.; Eng. News-Rec., vol. 105, no. 1, July 3, 1930, pp. 11-12, 4 figs. and Oil and Gas Jl., vol. 29, no. 10, July 24, 1930, p. 127, 3 figs)


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    Title :

    Recent developments in the creosoted pine pole industry


    Additional title:

    Ry. Signaling


    Contributors:

    Published in:

    Publication date :

    1930


    Size :

    3 pages


    Remarks:

    6 Figs., Bibliography


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


    Preservative treatment and service data on creosoted pine poles

    Boehne, E.E. | Engineering Index Backfile | 1927


    Relation between penetration and decay in creosoted Southern pine poles

    Colley, R.H. / Amadon, C.H. | Engineering Index Backfile | 1936




    Durability of creosoted Douglas fir shown by pacific coast structures

    Mattos, F.D. | Engineering Index Backfile | 1928