The Year-book of Facts in Science and ArtCharles W. Vincent, James Mason Simpkin, Marshall, and Company, 1870 |
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1 - 5 találat összesen 29 találatból.
17. oldal
... metal turned with such accuracy that nowhere is there a fault equal to the two - thousandth part of an inch . Thanks to Sir William Armstrong himself , a boy may now swing masses weighing manv tons from place to place as easily as he ...
... metal turned with such accuracy that nowhere is there a fault equal to the two - thousandth part of an inch . Thanks to Sir William Armstrong himself , a boy may now swing masses weighing manv tons from place to place as easily as he ...
21. oldal
... metal , has given a vast extension to the application of cast steel for railway bars , tyres , boiler plates , & c . This process is limited , however , in its application to superior brands of pig iron , containing much carbon and no ...
... metal , has given a vast extension to the application of cast steel for railway bars , tyres , boiler plates , & c . This process is limited , however , in its application to superior brands of pig iron , containing much carbon and no ...
22. oldal
... metal . The regenerative gas furnace , the ap- plication of which to glass houses , to forges , & c . , has made con- siderable progress , is well suited for these operations , because it combines an intensity of heat , limited only by ...
... metal . The regenerative gas furnace , the ap- plication of which to glass houses , to forges , & c . , has made con- siderable progress , is well suited for these operations , because it combines an intensity of heat , limited only by ...
25. oldal
... and machines of various kinds ; or third , practical essays on subjects connected with engineering , as , for instance , metal- lurgy . For approved original communications , the Council will MECHANICAL AND USEFUL ARTS . 25.
... and machines of various kinds ; or third , practical essays on subjects connected with engineering , as , for instance , metal- lurgy . For approved original communications , the Council will MECHANICAL AND USEFUL ARTS . 25.
36. oldal
... metal , forty tons of German silver , one thousand dozens of fenders , three thousand five hundred bellows , a thousand roasting jacks , one hundred and fifty sewing machines , eight hundred tons of brass and copper wares , besides an ...
... metal , forty tons of German silver , one thousand dozens of fenders , three thousand five hundred bellows , a thousand roasting jacks , one hundred and fifty sewing machines , eight hundred tons of brass and copper wares , besides an ...
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