 ... good results for about eight inches of increase of pressure. A large aneroid is more likely to be correct than a small one If the aneroid has been previously verified, it is likely to give a better result. After being subjected to sudden changes of...  Proceedings of the Royal Society of London - Page 472by Royal Society (Great Britain) - 1868Full view - About this book
 | Smithsonian Institution. Board of Regents - 1869 - 488 pages
...than a small one. If the aneroid has been previously verified, it is likely to give a better result. After being subjected to sudden changes of pressure,...it correct to begin with, it being understood that tke instrument ought to be quiescent for some time before the change of pressure is made. [I have subjected... | |
 | Smithsonian Institution. Board of Regents - 1869 - 486 pages
...than a small one. If the aneroid has been previously verified, it is likely to give a better result. After being subjected to sudden changes of pressure,...absolute instrument, that is to say, used to determine die distance ascended, making it correct to begin with, or to ascertain the distance descended, making... | |
 | Smithsonian Institution. Board of Regents - 1872 - 486 pages
...than a small one If the aneroid has been previously verified, it is likely to^give a better result. After being subjected to sudden changes of pressure,...changes, so that under such circumstances it ought only to^be used as a differential and not as an absolute instrument, that is to say, used to determine the... | |
| |
