Chemical News and Journal of Physical Science, Tom 121Chemical news office., 1921 |
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Strona 7
... steel cylinder 2 inches in diameter and 6 inches deep , and is furnished with a movable perforated bottom plate . The piston is operated by a strong screw thread . The sample is allowed to remain in the press under pressure for fifteen ...
... steel cylinder 2 inches in diameter and 6 inches deep , and is furnished with a movable perforated bottom plate . The piston is operated by a strong screw thread . The sample is allowed to remain in the press under pressure for fifteen ...
Strona 8
... steel chisel the pieces were then etched and washed as above . The remaining grains were rolled between clean steel rollers in such a way that after each passing through the roller the silver was etched and washed in order to remove any ...
... steel chisel the pieces were then etched and washed as above . The remaining grains were rolled between clean steel rollers in such a way that after each passing through the roller the silver was etched and washed in order to remove any ...
Strona 11
... steel rose from £ 5.384.215 to £ 11,958,241 , and of machinery and mill work from £ 2,502,610 to £ 4,851,193 . Electrical plant , chemicals , oils and fats , and , indeed , all other manufactures , share in the increased activity . The ...
... steel rose from £ 5.384.215 to £ 11,958,241 , and of machinery and mill work from £ 2,502,610 to £ 4,851,193 . Electrical plant , chemicals , oils and fats , and , indeed , all other manufactures , share in the increased activity . The ...
Strona 12
... Steel Works Laboratory . State age , experience , and salary required . - Address , The Secretary , Consett Iron Co. , Consett , county Durham . ASSISTANT CHEMISTS wanted at once for the Admiralty Inspection Laboratories at Holton Heath ...
... Steel Works Laboratory . State age , experience , and salary required . - Address , The Secretary , Consett Iron Co. , Consett , county Durham . ASSISTANT CHEMISTS wanted at once for the Admiralty Inspection Laboratories at Holton Heath ...
Strona 20
... steel milling - cutter . On the face of the wheel are millions of cutting teeth at work every minute , and although these teeth are not as long or as strong as the teeth of the steel cutter , and cannot cut as deep , they are capable of ...
... steel milling - cutter . On the face of the wheel are millions of cutting teeth at work every minute , and although these teeth are not as long or as strong as the teeth of the steel cutter , and cannot cut as deep , they are capable of ...
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