
Movements & Components · Anschauungsmodell für uhrentechnik
Anschauungsmodell für uhrentechnik by Großherzoglich Badische Uhrmacherschule, 1858–1860
- Maker / attribution
- Großherzoglich Badische Uhrmacherschule (Maker); Martens und Cie. (Maker)
- Date
- 1858–1860
- Historical period
- Industrial Revolution (1850 – 1900)
- Country of origin
- Germany
- Object type
- Anschauungsmodell für uhrentechnik
- Dimensions
- Höhe: 6.50 cm, Breite: 15.00 cm, Tiefe: 10.50 cm
- Holding institution
- German Clock Museum
- Accession / object no.
- 49-0184 (inventory number) 59463 (technical number)
- Credit line
- German Clock Museum
- Catalogue title (original)
- Gangmodell Zylinderhemmung, Uhrmacherschule Furtwangen, um 1860 (German)
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Record summary
Held and catalogued by German Clock Museum (object number 49-0184 (inventory number) 59463 (technical number)), this is an anschauungsmodell für uhrentechnik by Großherzoglich Badische Uhrmacherschule, made in Germany, dated 1858–1860. The Atlas places it in the Industrial Revolution period (1850 – 1900) of its Movements & Components collection. Recorded dimensions: Höhe: 6.50 cm, Breite: 15.00 cm, Tiefe: 10.50 cm. The record is illustrated with 5 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
Gangmodell einer Zylinderhemmung nach Jess Hans Martens, Großherzoglich Badische Uhrenmacherschule Furtwangen, um 1860. (Deutsches Uhrenmuseum Furtwangen)
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 An editor-reviewed English translation has not yet been published; we do not publish machine translations as authoritative text.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
Industrial Revolution (1850 – 1900)
American interchangeable-parts manufacture; railroad time standards; Swiss and German factory systems.
Standardised calibres, interchangeable parts and machine tools allowed movements to be mass-produced in American and Swiss factories.
Read the period in the timelineMore movements & components from this periodEarlier: Precision & Scientific Horology
Atlas type guide
Escapements and escapement models
The escapement is the heart of every mechanical clock and watch: it releases the gear train one tooth at a time and gives small impulses to the oscillator (pendulum or balance) to keep it swinging. The verge (thirteenth century), anchor (c. 1670), deadbeat (c. 1715), cylinder (1720s), lever (c. 1755), detent (1780s) and co-axial (1970s) escapements each solved problems of friction, recoil and isochronism in different ways.
Large demonstration models of escapements were made for teaching in horological schools, for patent applications and for exhibitions. They are valuable because they make visible, at large scale, the minute interactions that take place in a watch many times per second.
What to look for
- The shape of the escape wheel teeth: crown wheel (verge), pointed (anchor), club-toothed (Swiss lever), ratchet (English lever), or two-tiered (co-axial).
- Pallets: flags on an arbor (verge), anchor-shaped, jewelled lever fork, or a detent spring.
- Whether impulse is given directly, through a lever, or in one direction only (detent).
- Teaching models usually carry the name of a school or demonstrator.
Dating clues
- Verge: c. 1275–1850.
- Anchor and deadbeat for clocks: after c. 1670 and c. 1715.
- Club-tooth Swiss lever: standard after c. 1880; co-axial in series from 1999.
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:Verge escapementAnchor (recoil) escapementDeadbeat escapementDetached lever escapementSpring detent (chronometer) escapementCo-axial escapementGrasshopper escapementEscapement simulation lab
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