Design for a Machine, French, eighteenth century. The Metropolitan Museum of Art, Elisha Whittelsey Collection, Elisha Whittelsey Fund, 1962.
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Miscellany
Since 1840 the Oxford Electric Bell has been ringing in a laboratory at the University of Oxford. Built by a London instrument maker and powered by dry-pile batteries, the bell is said to have rung more than ten billion times. The ring is now barely audible because the charge is so low.
For a successful technology, reality must take precedence over public relations, for nature cannot be fooled.
—Richard Feynman, 1986