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January 29, 2010 | History

The most important clock in America 1 edition

The most important clock in America
Ronald R Hoppes

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The most important clock in America
the David Rittenhouse astronomical musical clock at Drexel University
Ronald R. Hoppes.

Published 2009 by American Philosophical Society in Philadelphia .
Written in English.

Table of Contents

The dial
The left hand side of dial
The sun - moon dial
Repeat and strike selector
Moon elliptic orbit and node indicator
Right hand side of dial
Equation-of-time indicator
Manual tune play
Tune play interval selector
Tune repeat selector
Tune indicator
The top of the dial
The orrery
The center of the dial
Date aperture
The moon dial
The calendar dial
The gear trains
Time train gearing
Music train gearing
Strike train gearing
Hammer strikes per 12 hours
Gearing on the front of movement
Movement front plate gearing
The dial gear trains
The calendar hand
Analysis of the gear train
Equation-of-time indicator
The analysis
The mechanism
The strike operation
The manual repeat and warning phase
Counting the strikes
Controlling the bell hammers
The music train
The trip sequence
Tune change gearing
Music drum adjustments
Setting the dial indications
The calendar hand
The equation-of-time dial
The orrery planets
The sun-moon dial
The moon ecliptic node indicator dial
The lunar dial
Restarting the clock.

Edition Notes

Includes bibliographical references and index.

Transactions series -- v. 99, pt. 2


Dewey Decimal Class
Library of Congress
TS543.5.P5 H67 2009

The Physical Object

p. cm.

ID Numbers

Open Library
LC Control Number


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January 29, 2010 Edited by WorkBot add more information to works
December 11, 2009 Created by WorkBot add works page