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 ...
In May 1855, the Smithsonian bought a “Standard Barometer” from John Frederick Newman for $129.42 (or, £20 plus packing). This is that instrument. Marked “I. Newman, 122 Regent Street, London,” it was ...
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