Full description
The self-recording tide gauge was established at Fort Denison in 1867, and since that year a continuous record of tides has been kept. There are duplicate charts for 1934, as well as for 9 August 1949 to 3 April 1950. A note enclosed with the tide sheets for 1953-54 shows that the datum was lowered by 5 inches 0900 hours East Australian Standard Time on 1 January 1954. At this date the datum tide measurements were standardized, ie. Zero Indian Spring Low Water Mark.
Fort Denison and Camp Cove record tides on clock-work automatic gauges.
16 Oct 1905-31 Dec 1964 (X1510-1582A, X1597), 1965-69 (X2098-102), 1970-73 ( X2367-70), 1974 ( X2438), 1 Jan-28 May 1975 (X2437). 85 bundles.
Note:
This description is extracted from Concise Guide to the State Archives of New South Wales, 3rd Edition 2000.
Created: 1905-10-16 to 1975-05-28
Data time period: 1905-10-16 to 1975-05-28
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