TY  - BOOK
AU  - Hoppes,Ronald R
TI  - The most important clock in America: the David Rittenhouse astronomical musical clock at Drexel University 
T2  - Transactions series,
SN  - 9781606189924
PY  - 2009///
CY  - Philadelphia
PB  - American Philosophical Society
KW  - Rittenhouse, David,
KW  - Clocks and watches
KW  - Pennsylvania
KW  - Philadelphia
KW  - Design and construction
KW  - Astronomical clocks
KW  - 39.00 astronomy: general
KW  - bcl
KW  - fast
KW  - USA
KW  - Rittenhouse Drexel
KW  - Astronomical musical highgrade specific clock
KW  - Wilson, Eric Chandlee
KW  - History
KW  - Floor clock
KW  - Rittenhouse, David 1732-1796
N1  - Includes bibliographical references and index; 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 -- Preparation -- 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
ER  -