Report Upon the Determination of the Astronomical Co-ordinates of the Primary Stations at Cheyenne, Wyoming Territory, and Colorado Springs, Colorado Territory, Made During the Years 1872 and 1873: Geographical and Geological Explorations and Surveys West of the One Hundredth Meridian, First Lieut. George M. Wheeler, Corps of Engineers, in Charge. Dr. F. Kampf and J. H. Clark, Civilian Astronomical AssistantsU.S. Government Printing Office, 1874 - 82 pages |
From inside the book
Results 1-5 of 6
Page 13
Chronograph . The record of the observations for time , as well as the exchange of signals , with one exception ( the night of the 14th ) , was made by means of the chronograph , of the form contrived by Professor Harkness , United ...
Chronograph . The record of the observations for time , as well as the exchange of signals , with one exception ( the night of the 14th ) , was made by means of the chronograph , of the form contrived by Professor Harkness , United ...
Page 30
The record , in both instances , was made on a chronograph . The result shows a large difference - Mr . Austin observing later than myself , as may be seen by a statement of the following clock - errors : Clark .
The record , in both instances , was made on a chronograph . The result shows a large difference - Mr . Austin observing later than myself , as may be seen by a statement of the following clock - errors : Clark .
Page 51
... supported by the framework of the tent and one telegraph - post 30 feet in height . A ground - wire was used after switching in the Western Union office to complete the circuit . In the northeast corner of the tent the chronograph ...
... supported by the framework of the tent and one telegraph - post 30 feet in height . A ground - wire was used after switching in the Western Union office to complete the circuit . In the northeast corner of the tent the chronograph ...
Page 52
The galvanic connections were made by means of a switch - board , the connections of which are given in the following diagram : Break Circuit Key Local Battery Relay Chronograph Chronometer XX XI 11 1 100 ル Sounder 1 +0 Main Line .
The galvanic connections were made by means of a switch - board , the connections of which are given in the following diagram : Break Circuit Key Local Battery Relay Chronograph Chronometer XX XI 11 1 100 ル Sounder 1 +0 Main Line .
Page 68
The Colorado Springs chronometer is 0.095 later than the Salt Lake chronometer on the Colorado Springs chronograph ; therefore the mean is , 18h 39m 78.626 . Colorado Springs east of Salt Lake City 68.
The Colorado Springs chronometer is 0.095 later than the Salt Lake chronometer on the Colorado Springs chronograph ; therefore the mean is , 18h 39m 78.626 . Colorado Springs east of Salt Lake City 68.
What people are saying - Write a review
We haven't found any reviews in the usual places.
Other editions - View all
Common terms and phrases
61 Cygni 9 Draconis Adopted Aquarii Aquilæ astronomical August azimuth Capricorni Cephei Changed charge Cheyenne chron chronograph chronom chronometer circuit Clamp clear Cloudy Colo Colorado Springs Colorado Springs chronometer COLORADO TERRITORY connection Corrections Cygni Date Description Determination difference Draconis Engineers eter exchange final result Groom heavy Herculis hour July 30 late Latitude LATITUDE-OBSERVATIONS-Continued Level longitude Lyræ Mean Mean at 24h Mean for 17h Meridian Micrometer star minutes Name of Star nights Normal Equations observations Observations for Latitude.-Station October October 18 Ophiuchi pair Pegasi Piscium places probable error rain reading received record REDUCTION Remarks Sagittarii Salt Lake chron SALT LAKE CITY SALT LAKE OBSERVATORY shows Springs chron station SURVEYS TABLES OF TIME-REDUCTIONS TIME-REDUCTIONS AT RECEIVING-STATION-Continued UNIFORM TABLES United Ursa UTAH TERRITORY values Washington Western wind wires Wyoming Territory
Popular passages
Page 53 - Ocean, the first thing which strikes us is, that, the north-east and south-east monsoons, which are found the one on the north and the other on...
Page 5 - Printing-Office, and that fifteen hundred copies be furnished on requisition from this Office. Very respectfully, your obedient servant, AA HUMPHREYS, Brigadier-Oeneral and Chief of Engineers.
Bibliographic information
| Title | Report Upon the Determination of the Astronomical Co-ordinates of the Primary Stations at Cheyenne, Wyoming Territory, and Colorado Springs, Colorado Territory, Made During the Years 1872 and 1873: Geographical and Geological Explorations and Surveys West of the One Hundredth Meridian, First ... |
| Author | Geographical Surveys West of the 100th Meridian (U.S.) |
| Publisher | U.S. Government Printing Office, 1874 |
| Original from | Harvard University |
| Digitized | 20 Nov 2007 |
| Length | 82 pages |
| Export Citation | BiBTeX EndNote RefMan |