2011 |
|
Historical written
documentation: biographies, newspaper
clippings, ANCAHA Summer 1985 article |
February |
|
Arrival at facility |
June |
|
Removal of Easter
calculator, repair of broken pendulum rod, repair
case lock and key |
August |
|
Begin restoration of movement
and forensic recordings. Initial
observations |
August |
|
Disassembly. Remove
complications - lunar
indicator, planisphere, tellurian-orrery subassembly, sun-moonrise dials, equation of
time differential |
August |
|
Some observations on the construction of
the clock |
August |
|
Disassembly. Time and strike
great wheel and barrels. Finish
disassembly of frames |
August |
|
Reassemble main movement. Suspension spring and
suspension pillar frame, escapement |
August |
|
Reassemble main movement. Strike
barrel, time barrel, and frame |
August |
|
Reassemble main
movement all components between main frames |
August |
|
A discussion
about the origin of the tellurion assembly |
August |
|
A hypothesis on the
time line of the clock's construction |
August |
|
An examination of the
frame design |
September |
|
Fabrication of annual step
wheel and
cam pack blanks, begin disassembly of mystery dial |
September |
|
Continue disassembly and
restoration of the mystery dial
|
September |
|
Calculation and
fabrication of equation cam contours,
springs for sunrise/sunset dials |
October |
|
Calculation
and fabrication of remaining cam contours
and spokes. |
October |
|
Begin restoration of the Easter calculator:
The annual trip snail cam, cam release
lever, warning lever and calculator release
lever |
November |
|
Complete
restoration of the Easter calculator: the
release lever, annual cam pack, recreate
perpetual calendar mechanism for the
calculator
A discussion of the
Easter calculator's functions, the computus. |
November |
November |
|
Disassembly of the
tellurian and orrery subassemblies |
November |
|
Proposed designs to
restore the zodiac precession, the year
indicator ring, the orrery demonstration
crank; replace orrery planets and
counterweights |
November |
|
A discussion on the precession of the zodiac |
2012 |
|
|
January |
|
Restoration of orrery
demonstration function |
February |
|
Restoration of the wood pedestal base |
March |
|
Begin restoration of zodiac precession, and year
indication
complications |
April |
|
Complete restoration of zodiac precession, and year
indication complications |
May |
|
Restore Easter
calculator weight and chain, create orrery planet counterbalances;
MECHANICAL RESTORATION COMPLETE |
June |
|
Restore dials. Begin
final finishing. |
July |
|
Continue final
finishing, lacquering, crystalline waxing
and reassembly of the movement |
August |
|
Continue final
finishing, lacquering, crystalline waxing
and reassembly of the movement |
September |
|
Conclusion of final finishing, lacquering,
crystalline waxing and reassembly of the movement |
|
|
|
|
|
END OF RESTORATION |
03/2014 |
|
Someone in the
Netherlands makes a rough copy |