Lightning Flashes Composed of Multiple Instant Discharges
From a 19th century Popular Science Monthly excerpt Prof Dover and Prof Rood studied lightning using a rotating color sector disk and toothed-wheel devices. They concluded that a reported flash lasts about one five hundredth of a second and consists of multiple isolated discharges too rapid to be seen as separate by the naked eye.
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Dover
Rood
Popular Science Monthly
Steck & Co Win Gold Medal at Vienna Exposition
The Imperial Commission of Vienna awarded George Steck & Co. of New York the only Gold Medal for piano-forte manufacture at the Exposition. A formal letter from Vienna dated December 13 1873 confirms the honor and notes the piano tone and workmanship as exemplary. A separate grim note reports a Boston abattoir using blood drinking to cure illness, warned to threaten more bloodthirsty people.
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