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NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Catalog of Images

4700 thumbnail picture
Duplex bars of Eimbeck base measuring instrument in contact. Figure No. 4, Appendix No. 11. Part II, Report of the Superintendent ... 1897, p. 483.
1897
4701 thumbnail picture
30 centimeter theodolite. Plate I, Fig. No. 7, Appendix No. 8, Report of Superintendent ... 1894, p. 276
1894
4702 thumbnail picture
Meridian and equal altitude instrument for astronomic observations. Fig. No. 28, Report of Superintendent ... 1867
1867
4703 thumbnail picture
Sorenson's engraving pantograph. Fig. No. 27, Report of Superintendent ... 1867
1867
4704 thumbnail picture
20 centimeter theodolite. Plate II, Fig. No. 8, Appendix No. 8, Report of Superintendent ... 1894, p. 276
1894
4705 thumbnail picture
Tidal indicator erected at Reedy Island on the Delaware River, Delaware. Figure No. 5, Appendix No. 9. Part II, Report of the Superintendent ... 1897, p. 483. This and two other indicators at New York and San Francisco built by C&GS. Face is thirty feet in diameter
Delaware, Reedy Island, Delaware River 1897
4706 thumbnail picture
Stierle gauge as modified by the Coast and Geodetic Survey. Figure No. 4, Appendix No. 9. Part II, Report of the Superintendent ... 1897, p. 482
1897
4707 thumbnail picture
Stierle gauge as modified by the Coast and Geodetic Survey. Figure No. 3, Appendix No. 9. Part II, Report of the Superintendent ... 1897, p. 482
1897
4708 thumbnail picture
Avery's one-roller tide gauge. Figure 2, Appendix No. 9. Part II, Report of the Superintendent ... 1897, p. 481
1897
4709 thumbnail picture
Saxton self-registering tide gauge - model of 1853. Figure 1, Appendix No. 9. Part II, Report of the Superintendent ... 1897, p. 481
1897
4710 thumbnail picture
Clock-face view of modified Stierle tide gauge, model of 1896. Plate No. 5 of Appendix No. 7. Part II, Report of the Superintendent ... 1897, p. 318
1897
4711 thumbnail picture
Modified stierle tide gauge, model of 1896. Plate No. 4 of Appendix No. 7. Part II, Report of the Superintendent ... 1897, p. 318
1897
4712 thumbnail picture
Saxton self-registering tide gauge, model as of 1897. Plate No. 3 of Appendix No. 7. Part II, Report of the Superintendent ... 1897, p. 318
1897
4713 thumbnail picture
Magnetic declination and dip station. Observations at Boundary Marker No. 1. This was at the northernmost point on the Alaska-Canada Boundary. Party of J. T. Watkins - transportation by Coast Guard Cutter Bear
Alaska, Demarcation Point August 15, 1921
4714 thumbnail picture
Magnetic observations by party of J. T. Watkins. Station was about 10 miles west of East Cape, Siberia. Transportation by Coast Guard Cutter Bear
USSR, Near Whalen, Siberia August, 1921
4715 thumbnail picture
Magnetic observations by party of M. L. Cleven.
Alaska, Nome Early summer 1947
4716 thumbnail picture
Magnetic observations by party of M. L. Cleven in east-central Alaskan Arctic.
Alaska, Saganavirktok River Early summer 1947
4717 thumbnail picture
Observing magnetics with transit magnetometer at Station Mir 2. Party off of EXPLORER
Alaska, Amchitka Island, Aleutian Islands June 12, 1949
4718 thumbnail picture
Observing absolute value of horizontal component of the Earth's magnetic field.
Maryland, Cheltenham Observatory 1931
4719 thumbnail picture
Measuring absolute value of declination with a declinometer.
Maryland, Cheltenham Observatory 1931
4720 thumbnail picture
Co-tidal lines of the world.
1916
4721 thumbnail picture
Making magnetic observations for declination.
Washington, D.C. area 1931
4722 thumbnail picture
Chart showing isogonic lines for year 1900. Isogonic lines are lines of equal declination
4723 thumbnail picture
Magnetic station near El Misti Volcano, Peru. Party of James Baden
Peru, Arequipo 1947
4724 thumbnail picture
Transit magnetometer station.
Alaska, Southeast Alaska Ca. 1980
4725 thumbnail picture
Transit magnetometer station. Party off of PATHFINDER
Hawaii, Hawaii 1970
4726 thumbnail picture
Using compass declinometer for magnetic observations. Lt. Benjamin H. Rigg observing. Accompanied MacMillan Arctic Expedition.
Greenland 1926
4727 thumbnail picture
Lt. B. H. Rigg making magnetic observations in Canadian Arctic. Accompanied MacMillan Arctic Expedition
Canada, Eastern Canadian Arctic 1926
4728 thumbnail picture
Lt. B. H. Rigg preparing to make magnetic observations in Canadian Arctic. Accompanied MacMillan Arctic Expedition
Canada, Eastern Canadian Arctic 1926
4729 thumbnail picture
A Z-Variometer. Instrument measures relative changes in vertical component of Earth's magnetism
1954
4730 thumbnail picture
Magnetic station at Hobhouse Inlet. Party of Joel Campbell
Canada, Devon Island, Canadian Arctic 1946
4731 thumbnail picture
Lt. Charles A. Schoene observing magnetics at Little America IV. Schoene accompanied Operation High Jump
Antarctica February 1947
4732 thumbnail picture
Magnetic observatory at Little America IV. Tent used for absolute observations while center building used for variation
Antarctica February 1947
4733 thumbnail picture
Chart showing isogonic lines for year 1900. Isogonic lines are lines of equal declination
4734 thumbnail picture
Brown Gravity Meter - a pendulum apparatus.
Ca. 1935
4735 thumbnail picture
Brown Gravity Meter pendulum apparatus.
Ca. 1935
4736 thumbnail picture
Observing gravity inside the cave at Station Jaggar. Party of E. J. Brown
Hawaii, Summit of Mauna Loa 1927
4737 thumbnail picture
Gravity and radio apparatus on Necker Island. Observations as part of World Longitude Network. Party of E. J. Brown
Hawaii, Necker Island 1928
4738 thumbnail picture
Lt. Joseph Lushene observing gravity in Bahamas. Cooperative project with the Navy and F. A. Vening Meinesz
Bahamas Islands, White Point 1932
4739 thumbnail picture
Lt. Carl Aslakson observing gravity during South American expedition.
South America, somewhere 1941
4740 thumbnail picture
Measurements in strain in rock at Dugway Proving Ground.
Utah, Dugway Proving Ground 1952
4741 thumbnail picture
Why the rock was being strained. 1/2 scale explosion at Dugway Proving Ground
Utah, Dugway Proving Ground 1952
4742 thumbnail picture
Triangulation observations following major earthquake.
Nevada, Dixie Valley 1955
4743 thumbnail picture
Triangulation observations following major earthquake.
Nevada, Dixie Valley 1955
4744 thumbnail picture
Lieutenant Harley Nygren conducting gravity observations for Sandia Corporation.
New Mexico 1955
4745 thumbnail picture
Reproduction of first map showing magnetic declination in the United States. First published by the Coast Survey in 1856
1856
4746 thumbnail picture
Underground magnetic observatory built at the University of Wisconsin in 1870's. Built under direction of Coast Survey. Observations made to Coast Survey specifications. One of many academic geophysical observatories built under guidance of C&GS
Wisconsin, Madison 1879
4747 thumbnail picture
Magnetic observations along the Yukon River.
Alaska, Yukon River Ca. 1924
4748 thumbnail picture
Coast Guard Cutter Bear at Demarcation Point. Provided transportation for magnetic field work by C&GS officer J. T. Watkins
Alaska, Demarcation Point July 1921
4749 thumbnail picture
Magnetic observations at sea on the C&GS Ship BACHE.
Atlantic Ocean Ca. 1915

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Last Updated:
June 10, 2016