Annual report of the Scientific and Industrial Research Council of Alberta . Two men. two teams, wagons, slips, etc Fireman bent on portable steam boiler bent on gasoline road roller 5 tons asphalt at $30 per ton lie, of cost of heating kettle and disc harrow $N *The cost of the asphalt used lias been arbitrarily placed at $30 perton, which was the price, approximately, of pavement asphalt in Ed-monton. It is not possible, yet, to give a commercial price for asphaltfrom the bituminous sands. Scientific and Industrial Research Council of Axberta 71 T


Annual report of the Scientific and Industrial Research Council of Alberta . Two men. two teams, wagons, slips, etc Fireman bent on portable steam boiler bent on gasoline road roller 5 tons asphalt at $30 per ton lie, of cost of heating kettle and disc harrow $N *The cost of the asphalt used lias been arbitrarily placed at $30 perton, which was the price, approximately, of pavement asphalt in Ed-monton. It is not possible, yet, to give a commercial price for asphaltfrom the bituminous sands. Scientific and Industrial Research Council of Axberta 71 The cost of an experiment, especially a first experiment, isalways high. Further, the cost of a small job is not a fair basistor reckoning tin* cost of a similar but much larger one. Finally,the labor charges in the expense account are exorbitantly high. Wages for two men and teams, and for a fireman, were paid duringfive or six days while asphalt was being heated, when, with properfacilities, all that was accomplished in those days could have beenaccomplished in one Figure 14.—Untreated Road After Rain. The workmen left the road on October 17th. A rain duringthe night of the L5th bad wet the hit uniinized soil before finalrolling and the placing of the carpet of bitumen and sand onthe surface. The barricades were left up until the 23rd to give I he


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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1