The most important clock in America
Subtitle: the David Rittenhouse astronomical musical clock at Drexel University
By: Ronald R. Hoppes.
Series: Transactions series -- v. 99, pt. 2
Publisher: American Philosophical Society
Published: 2009
Place of publication: Philadelphia
Language: eng
ISBN-13: 9781606189924
Subjects: Rittenhouse, David, -- 1732-1796; Clocks and watches -- Pennsylvania -- Philadelphia -- Design and construction; Astronomical clocks -- Pennsylvania -- Philadelphia -- Design and construction
Notes: Includes bibliographical references and index.
Table of contents: title: The dial; title: The left hand side of dial; title: The sun - moon dial; title: Repeat and strike selector; title: Moon elliptic orbit and node indicator; title: Right hand side of dial; title: Equation-of-time indicator; title: Manual tune play; title: Tune play interval selector; title: Tune repeat selector; title: Tune indicator; title: The top of the dial; title: The orrery; title: The center of the dial; title: Date aperture; title: The moon dial; title: The calendar dial; title: The gear trains; title: Time train gearing; title: Music train gearing; title: Strike train gearing; title: Hammer strikes per 12 hours; title: Gearing on the front of movement; title: Movement front plate gearing; title: The dial gear trains; title: The calendar hand; title: Analysis of the gear train; title: Equation-of-time indicator; title: The analysis; title: The mechanism; title: The strike operation; title: The manual repeat and warning phase; title: Counting the strikes; title: Controlling the bell hammers; title: The music train; title: The trip sequence; title: Tune change gearing; title: Music drum adjustments; title: Setting the dial indications; title: Preparation; title: The calendar hand; title: The equation-of-time dial; title: The orrery planets; title: The sun-moon dial; title: The moon ecliptic node indicator dial; title: The lunar dial; title: Restarting the clock.