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

1600 thumbnail picture
Ritchie-Haskell direction current meter as used on the U.S. Fish Commission steamer FISH HAWK.
1899
1601 thumbnail picture
Towing a Roberts Radio Current Meter buoy to its planned station site from the USC&GS Ship MARMER.
1960 circa
1602 thumbnail picture
Graphical output from the first operationally deployed Roberts Radio Current Meter.
Washington, Puget Sound 1942 March 1
1603 thumbnail picture
Deploying mechnaical current meter from hand-operated winch.
1930 circa
1604 thumbnail picture
Self-registering tide gauge
Alaska, Taku Harbor 1888
1605 thumbnail picture
Graphical record of tidal currents at the entrance to San Francisco Bay.
1930 circa
1606 thumbnail picture
Graphical records of tides in different tidal regime areas on the coastline of the United States.
1930 circa
1607 thumbnail picture
Graphical record of tides with superimposed disturbance. This record was obtained a week prior to the Long Beach Earthquake of March 10 so it was not related to that major seismic event.
1933
1608 thumbnail picture
The strike clock for old style automatic tide gauge. By D. L. Parkhurst.
1925
1609 thumbnail picture
Preparing a Roberts Radio Current Meter buoy for deployment off the USC&GS Ship EXPLORER.
Atlantic Ocean, Gulf Stream 1960
1610 thumbnail picture
Tidal current curve, San Francisco Light Vessel. The time, direction, and magnitude of the current is referred to the times of predicted tide at the San Francisco, Fort Point.
1930 circa
1611 thumbnail picture
Clock and tide indicator in public viewing area of a Coast and Geodetic Survey tide house.
1930 circa
1612 thumbnail picture
Tide indicator mechanism of the tide indicator at the Maritime Exchange at Philadelphia.
Pennsylvania, Philadelphia 1902
1613 thumbnail picture
Tide indicator display indicating rising water level.
1900 circa
1614 thumbnail picture
Tide indicator display indicating slack water.
1900 circa
1615 thumbnail picture
Tide indicator at Fort Hamilton. The pointer moves around the dial indicating the height of tides referred to mean low water. The arrow points upward when the tide is rising and downward when the tide is falling. The indicator is showing slack water at high tide in this image.
New York, Fort Hamilton 1900 circa
1616 thumbnail picture
Reedy Island, Delaware River, pier and tidal indicator by moonlight. The indicator tells the mariner that the tide is falling.
Delaware, Reedy Island, Delaware River 1900 circa
1617 thumbnail picture
Reedy Island, Delaware River, pier and tidal indicator. The indicator tells the mariner that the tide is falling.
Delaware, Reedy Island, Delaware River 1900 circa
1618 thumbnail picture
Back side of the Reedy Island tide indicator.
Delaware, Reedy Island, Delaware River 1896
1619 thumbnail picture
Constructing the tide indicator at Alcatraz Island.
1900 circa
1620 thumbnail picture
Scaffolding for painting numerals and unit indicators on tide indicator. Right hand: Clear numerals on tide indicator after painting. Tide indicator points up , showing a rising tide.
1900 circa
1621 thumbnail picture
Woman professional operating the USC&GS tide prediction machine during World War II.
1944 Circa
1622 thumbnail picture
The USC&GS tide prediction machine No. 2, enclosed in wood casing. This computing machine is still fondly referred to as "Old Brass Brains."
1965 Circa
1623 thumbnail picture
Changing constituent elements for computing tides for a different location on USC&GS tide prediction machine No. 2.
1939 Circa
1624 thumbnail picture
Mr. Disney of the Tides and Currents Division instructing trainee from the Philippine Coast and Geodetic Survey on the operation of tide-prediction machine no. 2, "Old Brass Brains."
Washington, D.C. 1947 Circa
1625 thumbnail picture
Recording tide predictions from the dials of the U.S. Coast and Geodetic Survey tide-predicting machine. The operator is Burt W. Wilcox.
Washington, D.C. 1939
1626 thumbnail picture
Front indicator panel showing traced tide curve and various dials related to predicting tide with Tide Prediction machine No. 2, "Old Brass Brains."
Washington, D.C. 1939 circa
1627 thumbnail picture
Adjusting various constituent gears for predicting tide at a specific location on the surface of the earth. Tide-prediction machine No. 2, "Old Brass Brains."
Washington, D.C. 1939 Circa
1628 thumbnail picture
Adjusting various constituent gears for predicting tide at a specific location on the surface of the earth. Tide-prediction machine No. 2, "Old Brass Brains."
Washington, D.C. 1939 Circa
1629 thumbnail picture
The interior of the Coast and Geodetic Survey tide-prediction machine designed and built by Dr. Rollin Harris and Chief Instrument Maker Ernst G. Fisher.
Washington, D.C. 1910
1630 thumbnail picture
Coast Survey employee Susan Tully using new automated tabulating machine for recording tides predicted on Tide Prediction Machine No. 2, the Fisher-Harris machine. With the advent of electronic computers in the 1960's, this venerable machine became obsolete and is now located in the NOAA Science Center in Silver Spring. It is known as "Old Brass Brains."
Washington, D.C. 1960 Circa
1631 thumbnail picture
View of back side of tide-prediction machine No. 1, the Ferrel tide-prediction machine.
Washington, D.C.
1632 thumbnail picture
Side view of tide-prediction machine No. 1, the Ferrel tide-prediction machine.
Washington, D.C. 1910
1633 thumbnail picture
Current observation from deck of U.S.S. BACHE in Norfolk Harbor.
Virginia, Norfolk 1917 Circa
1634 thumbnail picture
Shoal sand ridges on Georges Bank causing surface disturbance
Massachusetts, Georges Bank 1958
1635 thumbnail picture
Shoal sand ridges on Georges Bank causing surface disturbance
Massachusetts, Georges Bank 1958
1636 thumbnail picture
Chart of the Gulf Stream produced in 1854 from systematic Coast Survey observations beginning in 1845.
Atlantic Ocean 1854
1637 thumbnail picture
Woodcut of tidal bore on the Seine River at Caudebec. In: Flammarion, G. 1890? "Popular Astronomy," English Translation. P. 170. D. Appleton and Company, New York.
France, Caudebec, Seine River 1890 Circa
1638 thumbnail picture
Fishing at Dutch Harbor during an inport.
Alaska, Dutch Harbor 1950 ca.
1639 thumbnail picture
On the working grounds, a survey launch is dwarfed by the volcanic shores of the Aleutian Islands.
Alaska, Aleutian Islands 1950 ca
1640 thumbnail picture
Servicing a tide gauge
Alaska, Aleutian Islands 1950 ca
1641 thumbnail picture
Horizontal control work in the Aleutian Islands
Alaska, Aleutian Islands 1950 ca
1642 thumbnail picture
Observing angles with a theodolite on a chilly day in the Aleutian Islands.
Alaska, Aleutian Islands 1950 ca
1643 thumbnail picture
Tending a tide gage.
Alaska, Aleutian Islands 1950 ca
1644 thumbnail picture
Cartoon showing pigs running from the tidal bore in an arm of the Bay of Fundy. The pigs would run out when the tide receded and catch stranded fish and shellfish while one of their number would stay on a high point and warn of the approaching bore.
Canada, Bay of Fundy 1950 ca
1645 thumbnail picture
Leveling a Nation. Leveling operations at Point Loma Lighthouse, the southwestern corner of the contiguous United States.
California, San Diego, Point Loma 1920
1646 thumbnail picture
Leveling crew working somewhere on West Coast. Party chief with hat on and standing by instrument. Instrument mounted on railroad motorized speeder. Party chief is Lt. C. A. Egner.
California, Southern 1920
1647 thumbnail picture
Level crew using motorized speeders on railroad.
California, Southern 1920
1648 thumbnail picture
Configuration of speeder used in leveling operations along railroad.
California, Southern 1920
1649 thumbnail picture
Rodman maintaining rod in vertical position over mark while steam engine approaches. Speeder crew moving speeder off track close to steam engine.
California, Southern 1920

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Last Updated:
May 12, 2014