Clocks · Wall clock
Wall clock by Diehl (Unternehmen), Germany, c. 1973
- Maker / attribution
- Diehl (Unternehmen) (Created)
- Date
- c. 1973
- Historical period
- Quartz Revolution (1969 – 1990)
- Country of origin
- Germany
- Place
- Nuremberg
- Object type
- Wall clock
- Dimensions
- Tiefe: 6.00 cm, Durchmesser: 30.00 cm
- Holding institution
- German Clock Museum
- Accession / object no.
- 2006-141
- Credit line
- German Clock Museum
- Catalogue title (original)
- Wanduhr, Diehl, Nürnberg, um 1973 (German)
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Record summary
Held and catalogued by German Clock Museum (object number 2006-141), this is a wall clock by Diehl (Unternehmen), made in Nuremberg, Germany, dated c. 1973. The Atlas places it in the Quartz Revolution period (1969 – 1990) of its Clocks collection. Recorded dimensions: Tiefe: 6.00 cm, Durchmesser: 30.00 cm. The record is illustrated with 2 photographs.
Assembled from the source record's structured fields. Dates and attributions are given as the source states them; where a field is missing the Atlas leaves it blank rather than estimating.
Catalogue description
Catalogue description from German Clock Museum (German)
Wanduhr resonic, Diehl, Nürnberg, um 1973.
Shown in the original language of the source catalogue. An editor-reviewed English translation has not yet been published; we do not publish machine translations as authoritative text.
Historical context
Quartz Revolution (1969 – 1990)
Seiko's Astron begins mass quartz timekeeping; traditional industries contract sharply.
Quartz movements and digital displays made accurate clocks cheap and ubiquitous after the early 1970s. LED and LCD clocks, clock radios and radio-controlled clocks appeared, while traditional mechanical clockmaking contracted sharply in Germany, France and Britain.
Read the period in the timelineMore clocks from this periodEarlier: Modern Mechanical Horology
Atlas type guide
Regulators, wall and Vienna clocks
A regulator is a precision pendulum clock used as a time standard in observatories, workshops and railway offices. Typical features are a deadbeat or Graham escapement, a temperature-compensated pendulum (mercury jar, gridiron or later invar), maintaining power and a regulator dial that separates hours, minutes and seconds. George Graham's deadbeat escapement (c. 1715) and his mercury pendulum, together with Harrison's gridiron, set the pattern for two centuries.
Wall clocks span a much wider range: the elegant Viennese Laterndluhr and Dachluhr of the Biedermeier period, the Dutch stoelklok and staartklok, English 'dial' clocks used in schools, offices and railway stations, and mass-produced spring and weight wall clocks from Germany (Gustav Becker, Junghans, Kienzle) and America.
What to look for
- Deadbeat escapement and compensated pendulum (gridiron rods, mercury jar or wood rod).
- A regulator dial with a large central minute hand and separate hour and seconds dials.
- Vienna regulators: glazed cases, slender pendulum, small weights, enamel two-piece dials.
- German factory trademarks stamped on the backplate (e.g. Gustav Becker anchor and crown, Junghans star).
Dating clues
- Graham-type deadbeat regulators: from c. 1720.
- Viennese Laterndluhr: c. 1800–1850.
- German factory 'Vienna-style' regulators: c. 1870–1930; Gustav Becker serial numbers allow close dating.
General guidance written by the Atlas editors about this kind of object. It is not a statement about this particular piece; for that, rely on the source record above and on physical examination.
Read next:Deadbeat escapementAnchor (recoil) escapementGrasshopper escapement
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