ONLY - Existing backlit clock-faced tide gauge , Port Germein , SA, Australia
Posted by: 
blingg
S 33° 01.380 E 137° 59.911
53H E 780088 N 6342166
The only backlit clock-faced tide gauge in existence
Waymark Code: WM158ZV
Location: South Australia, Australia
Date Posted: 11/10/2021
Views: 2
The tide clock was installed on Cockle Spit at the entrance to the port Pirie shipping channel to indicate the depth of the channels for the tall ships that used to come in so they didn't run aground on the sand. The clock's face was lit from behind so it could be seen day and night. A series of pulleys and levers rose and fell with the tide and transferred the depth to the clock face via a system of chain and wheel mechanisms.
In 1989 it was removed from the original location when it became obsolete, after being restored it was relocated to it's present position in 2013
There was thought to be another in Tasmania but there is no record of it's existence.
Type of documentation of superlative status: sign
Location of coordinates: Port Germein foreshore
Web Site: [Web Link]
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