Wm. Hardy's timekeeper : a pre-release from the American Horologist & Jeweler, 1952.

By: Material type: TextTextPublisher: Denver : American Horologist and Jeweler, 1952Description: 19 pages : illustrations ; 23 cmContent type:
  • still image
  • text
Media type:
  • unmediated
Carrier type:
  • volume
Other title:
  • William Hardy's timekeeper : a pre-release from the American Horologist & Jeweler, 1952
Subject(s):
Holdings
Item type Current library Call number Status Date due Barcode
Books Books Jost Bürgi Library Reading Room TS548 .H34 1952 (Browse shelf(Opens below)) Available 31560000082129

31560000082129 5033

William Hardy's spring escapement described by himself to the Society for the Advancement of the Art and Sciences London in 1820, including drawings (in 1952 reprint)

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