Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3758Chemical news office., 1932 |
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Strona 261
... stock , properties of which were definitely known , replaced heavy and ex- pensive castings of uncertain strength with the result that the new tube with the en- larged mirror weighs almost exactly the same as the old tube with the ...
... stock , properties of which were definitely known , replaced heavy and ex- pensive castings of uncertain strength with the result that the new tube with the en- larged mirror weighs almost exactly the same as the old tube with the ...
Strona
... STOCK WHITNEY LONDON As supplied to many Government Departments , Research Laboratories and Chemical Manufacturers . WHITNEY 129-131 , CITY ROAD , Established 1875 LONDON E.C.1 . Telephone - Clerkenwell , 2446 EXAMINATIONS FOR THE ...
... STOCK WHITNEY LONDON As supplied to many Government Departments , Research Laboratories and Chemical Manufacturers . WHITNEY 129-131 , CITY ROAD , Established 1875 LONDON E.C.1 . Telephone - Clerkenwell , 2446 EXAMINATIONS FOR THE ...
Spis treści
The Story of the Perkins Reflector | 260 |
Decline in U S Phosphates Output | 266 |
Mohlers Test for Benzoic Acid Edward T Illing B Sc F I C | 269 |
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