Tidal_Indicator_Delaware_River_ca1897.jpg
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Summary
Description Tidal Indicator Delaware River ca1897.jpg |
English:
Tidal Indicator, Delaware River, Delaware. At the time shown in the figure, the tide is 1¼ feet above mean low water and is still falling, as indicated by pointing of the arrow. Indicator is powered by system of pulleys, cables and a float.
|
Date | |
Source | Report Of The Superintendent Of The Coast & Geodetic Survey Showing The Progress Of The Work During The Fiscal Year Ending With June 1897 (p. 483) |
Author | Superintendent Of The Coast & Geodetic Survey |
Licensing
Public domain Public domain false false |
This image is in the
public domain
because it contains materials that originally came from the U.S.
National Oceanic and Atmospheric Administration
, taken or made as part of an employee's official duties.
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Original upload log
The original description page was
here
. All following user names refer to en.wikipedia.
Date/Time | Dimensions | User | Comment |
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2012-03-01 15:10 | 800×827× (203540 bytes) | Palmeira | {{Information |Description = Tidal Indicator, Delaware River, Delaware. At the time shown in the figure, the tide is 1¼ feet above mean low water and is still falling, as indicated by pointing of the arrow. Indicator is powered by system of pulley... |