Lum Woodruff, a resident of Ann Arbor, Michigan, who reported weather observations to the Smithsonian Institution, patented a portable barometer that proved to be extremely popular. Its key feature ...
This barometer has an ornate oak case with a profile bust of George Washington covering the cistern. The inscription on a metal plate at the top reads “BENJN PIKE JUNR” and “294 BROADWAY / NEW YORK.” ...
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