Progress is fine, but it's gone on for too long.
with apologies to Ogden Nash...
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Thursday, September 1, 2016
Popular Science editorial staff, Evertybody's Radio Manual, Grosset and Dunlop, 1942
Fig 48.The blotter is prepared by soaking in salt water with a few drops of phenolphtalein added, Did everyone have these chemicals just lying around back then?
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