India rubber world . ective work and in less time, and at less cost, thanby the old method of pile driving. Steam pile hammers ofthis type used for foundations, docks, and piers, and otherclasses of heavy work, have been made as heavy as , and 12 feet a normal stroke of 42 hammer most extensively used in railroad work weighs6500 pounds, with a stroke of 3 feet. The smallest hammer ofthis general type has lately been provided especially for thepurpose of driving fish stakes for pound nets alongshore. Thishammer weighs but 1350 pounds, with a normal stroke of
India rubber world . ective work and in less time, and at less cost, thanby the old method of pile driving. Steam pile hammers ofthis type used for foundations, docks, and piers, and otherclasses of heavy work, have been made as heavy as , and 12 feet a normal stroke of 42 hammer most extensively used in railroad work weighs6500 pounds, with a stroke of 3 feet. The smallest hammer ofthis general type has lately been provided especially for thepurpose of driving fish stakes for pound nets alongshore. Thishammer weighs but 1350 pounds, with a normal stroke of 24inches. While contractors were driving piles for the Louis-ville and Nashville railroad at Pensacola, Florida. 50 minutestime was required to drive with a drop hammer a pile 75 feetin length, there being utilized 120 blows from the top of 75 footleaders. The next pile, the same length,and located but 3 feetfrom the one mentioned, was driven to the same depth by asteam hammer which delivered 130 blows in 30 RECENTLY a well known India-rubber expert from Europehas become a resident in the United States, his plan be-ing to open a consulting laboratory and do the same sort ofwork in India-rubber and Gutta-percha that he prosecuted sosuccessfully in Great Britain. This gentleman is Mr. GeorgeE. Heyl- Dia, and as a beginning in his new field he has accept-ed a position asconsult ing en-gineer for one ofthe most impor-tant insulated wireand cable com-panies in Ameri-ca ; he is also do-ing some specialwork for rubbercompanies inother lines. G. E. Heyl-Diais a graduate ofthe University ofBerlin, where hewas a member ofthe philosophicalfaculty for threeyears. He thendevoted muchtime and attent-ion to the manufacture of cable insulations, and was the inven-tor of an insulation called Heylite, largely used in Germanyby cable manufacturers. Following a call to England in 18S9 90he introduced into that country the well known Diatrine insu-lations, for electric cables, and later o
Size: 1385px × 1804px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookcentury1800, bookdecade1890, bookidindiarubberworld31phil
