The Technical World Magazine, Volume 4Technical World Company, 1906 |
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Page 37
... called me back , as they wanted to make some calculations , and I sprang back as easily as I had jumped across . " By looking at the earth , they had dis- covered that we were traveling around provided - about ten pounds , more or less ...
... called me back , as they wanted to make some calculations , and I sprang back as easily as I had jumped across . " By looking at the earth , they had dis- covered that we were traveling around provided - about ten pounds , more or less ...
Page 38
... called exertion ; and we ran along through the forests and across the plains with the ease and grace of grey- hounds . For half an hour we did not slacken Our pace ; but there ap- peared before us a deep gulley , at the bottom of which ...
... called exertion ; and we ran along through the forests and across the plains with the ease and grace of grey- hounds . For half an hour we did not slacken Our pace ; but there ap- peared before us a deep gulley , at the bottom of which ...
Page 41
... called an alidade . This and have determined with great accuracy the exact location of certain points . Some of these points are covered with wooden structures called signals . Sometimes a triangulation point may be a church spire , a ...
... called an alidade . This and have determined with great accuracy the exact location of certain points . Some of these points are covered with wooden structures called signals . Sometimes a triangulation point may be a church spire , a ...
Page 43
... called a ground mark , is of course not found beneath church steeples or tall chimneys , or temporary signals , but is a most impor- tant part of the erection of a triangula- tion signal , inasmuch as if it were omit- ted , and the ...
... called a ground mark , is of course not found beneath church steeples or tall chimneys , or temporary signals , but is a most impor- tant part of the erection of a triangula- tion signal , inasmuch as if it were omit- ted , and the ...
Page 45
... Accordingly , much work is done a short distance inland . Here it sometimes becomes necessary to run what is called a traverse line , in which the party may for a while lose sight of all. PLANE - TABLE WORK IN THE FIELD 45.
... Accordingly , much work is done a short distance inland . Here it sometimes becomes necessary to run what is called a traverse line , in which the party may for a while lose sight of all. PLANE - TABLE WORK IN THE FIELD 45.
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