 COMPARISON OF TIME. After time has been thus observed the chronometers at the two stations should be compared by telegraph. Chronometers are compared in the following manner: The chronometer at one station .being in circuit with the chronograph and recording...  Monographs of the United States Geological Survey - Seite 32von Geological Survey (U.S.) - 1893Vollansicht - Über dieses Buch
 | Maryland Geological Survey - 1898 - 626 Seiten
...07 Зв.59 10 03.56 00 13 51 75 00 19 48 17 00 24 °7 91 at = —38.90 -36.17 -36.99 -88.89 -37.08 COMPARISON OF TIME. After time has been thus observed...their beats being marked side by side by the same pen. After this has gone on for a minute or more the operation is reversed, the chronometer at the first... | |
 | Maryland Geological Survey - 1898 - 628 Seiten
...07 36 59 10 03 56 00 13 51 75 00 10 48 17 00 "4 °7 91 a — ( = - 36.MO -36.17 -36.99 -36.89 -87.08 COMPARISON OF TIME. After time has been thus observed...their beats being marked side by side by the same pen. After this has gone on for a minute or more .the operation is reversed, the chronometer at the first... | |
 | Maryland Geological Survey - 1898 - 628 Seiten
...36 59 10 03 56 00 13 51 75 00 19 48 17 00 "4 ''7 91 «-t = -36.90 —36.17 —36.99 —36.89 -37.03 COMPARISON OF TIME. After time has been thus observed...their beats being marked side by side by the same pen. After this has gone on for a minute or more the operation is reversed, the chronometer at the first... | |
 | Maryland Geological Survey - 1898 - 646 Seiten
...36.59 10 03.56 00 13 51.75 IXI 19 48 17 00 24 **7 91 at = —36.90 -36.17 —36.99 — 36.89 —37.03 COMPARISON OF TIME. After time has been thus observed...their beats being marked side by side by the same pen. After this has gone on for a minute or more the operation is reversed, the chronometer at the first... | |
 | Maryland Geological Survey - 1898 - 630 Seiten
...13 51 75 a — t = —36.00 -36.17 -36.99 —36.89 -37.08 272 THE AIMS AND METHODS OF CARTOGRAl'HY COMPARISON'" OF TIME. After time has been thus observed...their beats being marked side by side by the same pen. After this has gone on for a minute or more the operation is reversed, the chronometer at the first... | |
 | Herbert Michael Wilson - 1900 - 988 Seiten
...the two stations should be compared by telegraph. This constitutes the automatic exchange of signals. The chronometer at one station being in circuit with the chronograph and recording upon it, that at the other station is switched into the telegraphic circuit, by which it is brought to the first... | |
 | Herbert Michael Wilson - 1900 - 986 Seiten
...the two stations should be compared by telegraph. This constitutes the automatic exchange of signals. The chronometer at one station being in circuit with the chronograph and recording upon it, that at the other station is switched into the telegraphic circuit, by which it is brought to the first... | |
 | Herbert Michael Wilson - 1900 - 964 Seiten
...the two stations should be compared by telegraph. This constitutes the automatic exchange of signals. The chronometer at one station being in circuit with the chronograph and recording upon it, that at the other station is switched into the telegraphic circuit, by which it is brought to the first... | |
 | 1907 - 874 Seiten
...— «o«?O ^ t -1 <s .'~ it| X ^2 i -I- 1 COMPARISON OK TIME. After time has been thus observed th<> chronometers at the two stations should be compared...switched into the local circuit there, so that the two eh ronometers register upon the same chronograph, their beats being marked side by side by the .same... | |
 | Henry Gannett - 1906 - 120 Seiten
...II 1 S ~o eb S3 ^ 5i; "Jg S C?S » + u 1-t1-i CO 1 1 1 ^ a + 1 + i S 5'§ 33 S 2! CSO M -3 1 + + 5 COMPARISON OF TIME. After time has been thus observed...their beats being marked side by side by the same pen. After this has gone on for a minute or more the operation is reversed, the chronometer at the first... | |
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