pdf California DNR Forestry - Telephone Handbook - 1947 Popular

Published on 04 October 2023 Modified on 05 October 2023 660 downloads

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CA_DNR_Forestry_Telephone_Handbook_1947_tci.pdf

California DNR Forestry - Telephone Handbook - 1947

237 pages. The purpose of this Handbook is to establish principles, standards and methods to be observed in the construction and maintenance of telephone systems on the National Forests. California Dept of Natural Resources. Based on info from the U.S. Forest Service (USFS). Includes switchboards and telephones such as the Portable Tel Model C and Model B Portable Tel.

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