Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3758Chemical news office., 1932 |
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Strona 261
... replace the structural tube of the telescope mounting with a new tube of sufficient proportions to accommodate the ... replaced heavy and ex- pensive castings of uncertain strength with the result that the new tube with the en- larged ...
... replace the structural tube of the telescope mounting with a new tube of sufficient proportions to accommodate the ... replaced heavy and ex- pensive castings of uncertain strength with the result that the new tube with the en- larged ...
Strona 262
... replaces the Newton- ian flat , starlight which is reflected upward from the large 69 - inch concave surface is turned back again towards the lower end of the telescope , passing through a central hole in the large mirror 9 inches in ...
... replaces the Newton- ian flat , starlight which is reflected upward from the large 69 - inch concave surface is turned back again towards the lower end of the telescope , passing through a central hole in the large mirror 9 inches in ...
Strona 269
... replace nitrates in curing , by a very small amount of nitrite . Notes on the Freezing Point of Milk . By H. C. LOCKWOOD , B.Sc. , A.I.C. An apparatus and method for the determination of the freezing point of milk are described . The ...
... replace nitrates in curing , by a very small amount of nitrite . Notes on the Freezing Point of Milk . By H. C. LOCKWOOD , B.Sc. , A.I.C. An apparatus and method for the determination of the freezing point of milk are described . 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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acid addition Analysis apparently appeared areas atomic attempt B.Sc base Beds Breccia British cent Chemical coal collected colour combination Company completion compounds consideration construction containing countries deposits described designed direct disc effective elements equipment examination Family Allowances feet four gases given glass greater H₂O heat importance inches in diameter industrial infection interest January known largest late latter less lignite lines liquid London manganese manufacturers March Maritime material measurements Meeting ment metal method mirror mounting necessary Observatory observer obtained occur operation optical oxide oxygen passed Patent Perkins placed possible PREPARATION present production Prof Professor Professor Perkins proportion published refuse replace rhenium rocks salt short tons shows skin SOCIETY spectrum standard steam Stocks Street Sulphur Table telescope tion Trade treated treatment tube United volume