Dr. Know: Portland’s Better Mousetraps

Does Portland lay claim to any big inventions?


Dr. Know
I recall that when I lived in Baltimore, there used to be a poster in City Hall that listed all the things that originated there (the refrigerator, the Ouija board, the dredger, Bromo-Seltzer, e   More
 
Wednesday, November 13, 2013 MARTY SMITH

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