Text/HTML
Login
Menu
Collections
About
Submit
FAQs
Search Open/Close
Open/Close Header Details
Search
other
Menu Open/Close
Coast-Geodetic-Survey
Other
Historic Geodesy
Placing marker buoys in water, purpose not noted on photograph.
Download
.jpg
(816.79 KB)
Deployed marker buoy.
Download
.jpg
(1.13 MB)
Deploying Pillsbury current meter from USC&GS; Steamer BLAKE for GulfStream studies in Anegada Passage.
Download
.jpg
(782.62 KB)
Deploying Pillsbury current meter from USC&GS; Steamer BLAKE for Gulf Streamstudies.
Download
.jpg
(1.1 MB)
Pole, line, and pelorus for observing direction and rate of current afterdeploying from anchored launch.
Download
.jpg
(985.12 KB)
Deploying Price Current Meter.
Download
.jpg
(1.13 MB)
Observer monitoring deployed Price Current meter.
Download
.jpg
(588.93 KB)
Counting the clicks. The number of clicks heard in a given time was a measure of the velocity of the current.
Download
.jpg
(1.24 MB)
Ritchie-Haskell direction current meter as used on the U.S. Fish Commissionsteamer FISH HAWK.
Download
.jpg
(908.6 KB)
Towing a Roberts Radio Current Meter buoy to its planned station site from theUSC&GS; Ship MARMER.
Download
.jpg
(995.04 KB)
Graphical output from the first operationally deployed Roberts Radio CurrentMeter.
Download
.jpg
(412.7 KB)
Deploying mechnaical current meter from hand-operated winch.
Download
.jpg
(921.69 KB)
Self-registering tide gauge
Download
.jpg
(1.52 MB)
Graphical record of tidal currents at the entrance to San Francisco Bay.
Download
.jpg
(977.36 KB)
Graphical records of tides in different tidal regime areas on the coastline ofthe United States.
Download
.jpg
(988.71 KB)
Graphical record of tides with superimposed disturbance. This record was obtained a week prior to the Long Beach Earthquake of March 10 so it wasnot related to that major seismic event.
Download
.jpg
(340.51 KB)
The strike clock for old style automatic tide gauge. By D. L. Parkhurst.
Download
.jpg
(2.15 MB)
Preparing a Roberts Radio Current Meter buoy for deployment off the USC&GS;Ship EXPLORER.
Download
.jpg
(8.2 MB)
Tidal current curve, San Francisco Light Vessel. The time, direction, andmagnitude of the current is referred to the times of predicted tide at the SanFrancisco, Fort Point.
Download
.jpg
(1.02 MB)
Clock and tide indicator in public viewing area of a Coast and Geodetic Surveytide house.
Download
.jpg
(2.48 MB)
First
Previous
164
165
166
167
168
Next
Last
Back To Top