A. A 'porcupine' thresher used around 1820 in wheat fields
B. One of America's first artificial Christmas trees made c.1890
C. A bowsprit from an experimental sailing vessel designed for use in the Everglades c.1840
D. A haystack augur used to ventilate drying hay around the turn of the century
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LAUGHING DOWN THE ROAD Caution: Funny Signs Ahead
What IS This Thing?
A.
