Handbook of construction plant, its cost and efficiency (1914)
Dana, Richard Turner, 1876-1928 · Chicago, The M. C. Clark Publishing Co. · leaf 405
special reflectorin a waterproof case (weight 92 lbs.). Carbons which cost about 400 HANDBOOK OF CONSTRUCTION PLANT 2% cents each burn from eight to nine hours. That part of thelamp most likely to wear is the cummutator brush, which mayneed renewing after three weeks work. Price of outfit… … Fig. 174. fuel, a gravity feed pipe, and a burner, for use in lighting smallspaces are manufactured in many varieties, but are alike in thegeneral method of operation. A novel use of these torcheswas for heating green concrete sewer pipe during cold weather.Price, per dozen, 1 gallon tank, $12.00;…
Contractors' operations · Building
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