Compressed air . MODERX HEAVY DRILLIXG WITH AN OLDMAN. with shown), their efficiency was farhigher than had been the case with theolder machines, while the repair cost perhours worked fell below that of previousexperience. Certain of the machines were not as-signed to definite gangs, but were for COMPRESSED AIR. 4001 general use. Tlie men who had need ofa machine demanded one of the new make of machine was in particularfavor l)ecause of its lightness. In fact,there were cases where men had to bedisciplined for failing to turn in motorson Saturday night for inspection, because. VALVE-S
Compressed air . MODERX HEAVY DRILLIXG WITH AN OLDMAN. with shown), their efficiency was farhigher than had been the case with theolder machines, while the repair cost perhours worked fell below that of previousexperience. Certain of the machines were not as-signed to definite gangs, but were for COMPRESSED AIR. 4001 general use. Tlie men who had need ofa machine demanded one of the new make of machine was in particularfavor l)ecause of its lightness. In fact,there were cases where men had to bedisciplined for failing to turn in motorson Saturday night for inspection, because. VALVE-SEAT-FACING ARRANGEMENT. Hitherto undesirable joi)s of reamingand drilling in contracted spaces weremade so umch easier that they were nolonger ^hunned. ihe one item of reamingholes alone was cut to less than one quar-ter the former labor cost, when a heaviertype of machine was used. This was dueto the fact that the mechanic did not needa helper and could work more quickly andto better advantage. It will be noted that a number of repairitems in the sample record illustrated arcquite heavy; and it should be explainedthat these machines were the total of those?? out-of-business among over one hun-dred in use in the shops, and that as therewas a system of pay in effect reward-ing men according to their individualeffort, it was considered greater economyto wear out the machine by continual andheavy service than to save the machine atthe expense of shop output costs. Comparative Motor Performance.—rherc is subjoined an outline drawingshowing the general dimensions and sizesof t
Size: 1510px × 1655px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectcompres, bookyear1896
