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Department of "What is It?" (#8) What Monster-Pop Mega Thing Did This Become?
JF Ptak Science Books Quick Post
The original patent for this tube-and-rod design was made at the Danish Patent and Trademark Office in Copenhagen on 28 Jaunary 1958 at 1:58 p.m. The design could be for an associated cooling system for a steam turbine; or for a high-pressure/reactive clutch of passes and cylinders for a water turbine hydroelectric facility; or perhaps it was for a modern prison system utilizing water-filled bars for prison cells that could indicate a possible jail break if any leaking water was discovered, making tampering with the bars an impossibility.
What's your best guess? (Answer below.)
And the patent application (all patent images via Google Patents):