A thing. For Carl. March 06, 2026 Get link Facebook X Pinterest Email Other Apps Comments Carl Weese said… Ah, that certainly looks like a lock. Martina said… :-)Like I said - I really don't have an idea. Something like a water level gauge perhaps? With the help of perspective one might gauge the water level from the control building? Martina said… More or less like I used perspective to gauge .. whatever .. in the other photo :-D
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Like I said - I really don't have an idea. Something like a water level gauge perhaps? With the help of perspective one might gauge the water level from the control building?