Annual Report of the Secretary of Internal Affairs of the Commonwealth of Pennsylvania: Industrial statistics. Pt. IIIDepartment of Internal Affairs, Bureau of Industrial Statistics, 1902 |
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共有 14 个结果,这是第 1-5 个
第52页
... kiln or air dried , the former taking about six or eight weeks , the latter requiring several years to accomplish . Blocks are sawed the re- quired length , allowing a couple sizes too long for a nubbin on each end , and then put on the ...
... kiln or air dried , the former taking about six or eight weeks , the latter requiring several years to accomplish . Blocks are sawed the re- quired length , allowing a couple sizes too long for a nubbin on each end , and then put on the ...
第60页
... kiln and then in- corporate with it sand and water . This discovery , however , was but a " flash in the pan , " and nothing came of it . In consequence , the history of binding material for structural work remains almost a closed book ...
... kiln and then in- corporate with it sand and water . This discovery , however , was but a " flash in the pan , " and nothing came of it . In consequence , the history of binding material for structural work remains almost a closed book ...
第62页
... kiln , till the car- bonic acid is entirely expelled . The mixture so calcined is to be ground , beat or rolled to a fine powder and is then in a fit state for making cement or artificial stone . This powder is to be mixed with a ...
... kiln , till the car- bonic acid is entirely expelled . The mixture so calcined is to be ground , beat or rolled to a fine powder and is then in a fit state for making cement or artificial stone . This powder is to be mixed with a ...
第64页
... kilns for calcination . This process is still used in some of the largest works in the Lehigh district . Mr. Saylor's work was materially aided by Mr. John W. Eckert , graduate of the Lehigh University , who became first the chemist and ...
... kilns for calcination . This process is still used in some of the largest works in the Lehigh district . Mr. Saylor's work was materially aided by Mr. John W. Eckert , graduate of the Lehigh University , who became first the chemist and ...
第65页
... kiln with a sufficient economy . About 1884 and 1885 patents were taken out by Messrs . James M. Willcox , E. J. DeSmedt and Robert W. Lesley for the purpose of mixing liquid hydro - carbons with the paste . In this way " a slurry " was ...
... kiln with a sufficient economy . About 1884 and 1885 patents were taken out by Messrs . James M. Willcox , E. J. DeSmedt and Robert W. Lesley for the purpose of mixing liquid hydro - carbons with the paste . In this way " a slurry " was ...
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常见术语和短语
AGGREGATE AMOUNT AGGREGATE WAGES PAID-Continued AMOUNT OF WAGES AVERAGE ANNUAL PRODUCT AVERAGE DAILY WAGE AVERAGE DAILY WAGE-Continued Average number AVERAGE YEARLY EARNINGS AVERAGE YEARLY EARNINGS-Continued BASIC MATERIAL BOILERS boots and shoes BOTTLE AND TABLE CARS Character of Industry CHENILLE children's shoes com-crease COMPARATIVE TABLE compared ered COMPARISON OF AGGREGATE COMPARISON OF AVERAGE COMPARISON OF NUMBER COMPARISON OF VALUE COST OF BASIC crease days in operation DAYS IN OPERATION-Continued footwear HOSIERY Increase or decrease IRON AND STEEL kiln leather LISHMENTS MATERIAL TO VALUE ments consid ments daily wage ments production number of days Number of es NUMBER OF PERSONS NUMBER OF WAGE pared with 1901 PERSONS EMPLOYED-Continued PIG IRON PLOYE Portland cement preced preced-compared PRODUCT PER EMPLOYE RECAPITULATION OF COMPARATIVE RELATIVE PER CENT SILK-BROAD SKILLED AND UNSKILLED tablish tion tons VALUE OF AVERAGE VALUE OF MANUFACTURED VALUE OF PRODUCT-Continued VALUE OF PRODUCTION WAGES TO VALUE WOOLEN AND WORSTED WROUGHT IRON YARNS