Progress is fine, but it's gone on for too long.
with apologies to Ogden Nash...
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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