The conservation of the Drexel Collection's David Rittenhouse astronomical musical clock /
Forman, Bruce R.,
The conservation of the Drexel Collection's David Rittenhouse astronomical musical clock / by Bruce Ross Forman. - 11 pages : color illustrations, 22 cm
Rittenhouse, David, 1732-1796.
Astronomical clocks--Conservation and restoration.
Musical clock--Conservation and restoration.
Floor clock USA Rittenhouse Drexel 1770 specific clock Drexel University Forman, Bruce Ross Restore
The conservation of the Drexel Collection's David Rittenhouse astronomical musical clock / by Bruce Ross Forman. - 11 pages : color illustrations, 22 cm
Rittenhouse, David, 1732-1796.
Astronomical clocks--Conservation and restoration.
Musical clock--Conservation and restoration.
Floor clock USA Rittenhouse Drexel 1770 specific clock Drexel University Forman, Bruce Ross Restore