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400-Day & Atmos

Anniversary, 400-Day, Atmos and other Torsion pendulum Clocks. Collecting, Identifying and care.
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B
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A Personal Biography Of Charles Terwilliger
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31
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39K
Rod Schaffter
Rod Schaffter
John Hubby
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400-Day, ATMOS, & Torsion Clock Parts Wanted
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–
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N/A
John Hubby
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  • Sticky
Post Your BHA, Becker, Grivolas, Hauck, Schlenker & Posner, and Würth Clocks Here
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0
Views
28K
John Hubby
John Hubby

Normal threads

LedZep
Master/NEW Master clocks
Replies
2
Views
59
KurtinSA
KurtinSA
shutterbug
First Atmos repair, and a question or two
Replies
6
Views
135
Ed O'Brien
E
P.Hageman
Grivolas suspension question
Replies
9
Views
292
shutterbug
shutterbug
P.Hageman
What are the best 400 day clocks when it comes to quality
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16
Views
433
MartinM
MartinM
S
Early Gustav Becker 400 Day Torsion Clock Pendulum Balance
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20
Views
252
Schaferhunde
S
M
One more "Loss of Power" place to check...
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9
Views
152
KurtinSA
KurtinSA
Jay Fortner
Sus. Spring Material
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13
Views
194
Jay Fortner
Jay Fortner
L
A.C. Becken
Replies
14
Views
395
Les Sanders
L
Ajay
Suspension spring for S Haller Simonswald 400 day clock
Replies
45
Views
17K
KurtinSA
KurtinSA
M
Replacing Broken Atmos Chain
Replies
1
Views
77
KurtinSA
KurtinSA
S
Horolovar Spring Winder Instructions
Replies
22
Views
721
MartinM
MartinM
Chick Curry
Post Your W. Würth & Co. Clocks Here
Replies
396
Views
99K
etmb61
etmb61
M
Atmos servicing/maintenance cost?
Replies
4
Views
166
Raymond Rice
R
B
What's wrong ?
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14
Views
333
etmb61
etmb61
W
Kundo minature circa early seventies
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13
Views
188
Wes Luloff
W
K
Suspension spring for 1969 Kundo pendulum clock
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20
Views
315
MuseChaser
M
KurtinSA
The quest for power
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35
Views
462
KurtinSA
KurtinSA
Phil G4SPZ
400-day clocks in a cold environment
Replies
14
Views
310
Wayne A
Wayne A
M
Latest Clock... anyone have a microscope?!?
Replies
6
Views
404
MuseChaser
M
kinsler33
Suspension unit for Haller Standard 73
Replies
2
Views
100
kinsler33
kinsler33
any400day
Post your GRIVOLAS 400 Day clocks here
Replies
122
Views
36K
KurtinSA
KurtinSA
UncleDoc
Spring measurement from Terwilliger too short
Replies
4
Views
124
shutterbug
shutterbug
Burkhard Rasch
this year (2020) christmass present
Replies
2
Views
192
Burkhard Rasch
Burkhard Rasch
K
Recommend clock service manual
Replies
47
Views
636
Dells
Dells
P
Young Child vs 400 Day Clock
Replies
18
Views
578
Phil White
P
N
mainspring diagnosis
Replies
20
Views
384
Nannas400
N
tracerjack
Ratchet wheel damage - just a question out of curiosity
Replies
8
Views
153
howtorepairpendulumclocks
howtorepairpendulumclocks
KurtinSA
Possible Kern and Sohne?
Replies
8
Views
1K
mjstewart
M
KurtinSA
Main spring nemesis
Replies
15
Views
503
tracerjack
tracerjack
M
Skill/knowledge transfer?
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9
Views
512
whatgoesaround
W
I
400 Day Clock Identification
Replies
5
Views
248
Bod
B
S
In search of parts and screws
Replies
20
Views
444
MartinM
MartinM
J
S. Haller Simondsweld anniversary clock suspension rebuild
Replies
31
Views
715
KurtinSA
KurtinSA
L
New addition K&O
Replies
6
Views
173
KurtinSA
KurtinSA
M
New owner of Atmos clock need a bit of info
Replies
4
Views
253
MattAu
M
Dells
Clock Identification
Replies
3
Views
164
Steven Thornberry
Steven Thornberry
T
Readily available pivot oil recommendation
Replies
20
Views
490
Tayrond
T
etmb61
Repair Guide Supplement
Replies
32
Views
1K
etmb61
etmb61
KurtinSA
Calculating rotation of wheels
Replies
15
Views
416
KurtinSA
KurtinSA
Mike74
Atmos oil problems?
Replies
2
Views
447
Mike74
Mike74
tracerjack
Baduf mainspring - strong, but correct?
Replies
7
Views
183
tracerjack
tracerjack
Burkhard Rasch
How not to cut a glass dome
Replies
7
Views
308
MartinM
MartinM
etmb61
Early disc pendulum gallery question
Replies
5
Views
251
etmb61
etmb61
instarclock
Rollerball 400-Day Clock
Replies
11
Views
523
shutterbug
shutterbug
L
Gustav Becker Disc Pendulum
Replies
3
Views
350
Les Sanders
L
L
New Addition K&O
Replies
12
Views
247
whatgoesaround
W
S
New 400 Day Book
Replies
1
Views
242
etmb61
etmb61
J
Charles-Édouard Guillaume, Invar, Elinvar, and December 11
Replies
1
Views
234
Schatznut
Schatznut
L
The Horolovar Collection 1962
Replies
5
Views
286
sjaffe
S
R
Need help with a KoMa
Replies
27
Views
2K
Dells
Dells
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