Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity (1905)
American School (Chicago, Ill.) · Chicago : American School of Correspondence · leaf 208
gh so that the butt ofthe pole can be dropped straight in without any forcing, andwhen the pole is in position only one shovel should be used to fillin, the earth being thoroughly tamped down Avith iron tampersat every step until the hole is completely filled with solidlypacked earth. Where the… … ANGLE OF BRACESWILL BE GOVERNED^ BY CIRCUMSTANCES
Electrical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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