Nature, Količina 108Sir Norman Lockyer Macmillan Journals Limited, 1921 |
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Stran 79
... Metals . No. I. 1921. Edited by G. Shaw Scott . Pp . xiv + 522 + 27 plates . ( London : Institute of Metals , 1921 ... metal . Dr. Haughton has continued his study of the copper - tin alloys and has defined the limits of the solid ...
... Metals . No. I. 1921. Edited by G. Shaw Scott . Pp . xiv + 522 + 27 plates . ( London : Institute of Metals , 1921 ... metal . Dr. Haughton has continued his study of the copper - tin alloys and has defined the limits of the solid ...
Stran 198
... metals and cast in sand- and chill - moulds respectively . There is a con- traction in volume due to alloying ... metal actually loses some of the increase of hard- ness conferred in earlier " passes . " A decrease of volume up to ...
... metals and cast in sand- and chill - moulds respectively . There is a con- traction in volume due to alloying ... metal actually loses some of the increase of hard- ness conferred in earlier " passes . " A decrease of volume up to ...
Stran 376
... metal , and not that they are unable to get any energy from the light . The threshold frequencies have another simple property . If we measure the threshold fre- quencies for any pair of metals , and at the same . time we measure the ...
... metal , and not that they are unable to get any energy from the light . The threshold frequencies have another simple property . If we measure the threshold fre- quencies for any pair of metals , and at the same . time we measure the ...
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BarrettHamilton and M A C Hinton | 21 |
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ROYAL AERONAUTICAL SOCIETY at Royal Society of Arts at 5 30 | 296 |
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