Clocks · Wall clock
Wall clock, 1891
- Maker / attribution
- Unrecorded in source
- Date
- 1891
- Historical period
- Industrial Revolution (1850 – 1900)
- Country of origin
- Unrecorded in source
- Object type
- Wall clock
- Dimensions
- length 0.0; width 17,5 cm; height 9,5 cm; length 24 cm
- Holding institution
- Turun kaupunginmuseo
- Accession / object no.
- TKM18867:1
- Credit line
- Turun kaupunginmuseo (via Finna)
- Catalogue title (original)
- kello; seinäkello / ruusukello (Finnish)
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Record summary
Held and catalogued by Turun kaupunginmuseo (object number TKM18867:1), this is a wall clock, dated 1891. The Atlas places it in the Industrial Revolution period (1850 – 1900) of its Clocks collection. Recorded dimensions: length 0.0; width 17,5 cm; height 9,5 cm; length 24 cm. The record is illustrated with 1 photograph.
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
Description — Turun kaupunginmuseo
fyysinen kuvaus: Ns. ruusukello. Kellotaululauta hieman kupera, nelikulmainen, yläreuna kaarevaksi profiloitu. Kellotaulu pyöreä, mustat roomalaiset numerot. Osoittimet metallia, koristeelliset. Heiluri ja ketjut messinkiä. Punnukset maalattu kullanvärisiksi. Koneistolaatikko suorakulmion muotoinen. Kellotauluun maalattu punaisia ruusuja ja muita kukkia tyyliteltyine lehtineen. Takana musteella: S 18 28/10 91, ja lyijykynällä: K. Nieminen 20.6.-48 Erillisenä osana heiluri, kaksi messingin väristä punnusta ja pussi missä ketjun osia.
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 An editor-reviewed English translation has not yet been published; we do not publish machine translations as authoritative text.
Inscriptions & marks
Kellon takaosa Takana musteella: S 18 28/10 91, ja lyijykynällä: K. Nieminen 20.6.-48 merkintä
Historical context
Industrial Revolution (1850 – 1900)
American interchangeable-parts manufacture; railroad time standards; Swiss and German factory systems.
Factory production transformed the clock into an everyday object. American makers (Seth Thomas, Ansonia, Waterbury) and German factories (Junghans, Gustav Becker, Lenzkirch) sold millions of shelf, wall and alarm clocks worldwide; France produced standardised Paris movements and carriage clocks; electric time distribution began.
Read the period in the timelineMore clocks from this periodEarlier: Precision & Scientific 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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