A number of you have asked for the concrete submarine study by David Smith. It's now ready.
I can send the PDF (as one email [18 pages] - 18.4 MB) to either the two Psub sites or to individuals.
Min. page size is 317 KB, max. is 611 KB.
Let me know what works for you guys.
Rick in Vancouver
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“If they can get you asking the wrong questions, they don't have to worry about answers.” – T.R. Pynchon (Gravity’s Rainbow)