Kushlan, Max. [from old catalog] · Chicago, The Branch publishing company · leaf 49
in itself since itdoes not give the length and arrangement of theabove members in plain view or in horizontal plane,but it is sufficient for the purpose of illustrating theconstruction of a particular section of the building. In making sketches of electrical wiring such asshown in Fig. 28, we… … ^-1 ^ ^^ ^5< >-l of- ^^ .X >^ v^ o ot 00
Mechanical drawing
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