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Instruments · Clock

Clock, 1960

DocumentedDocumented from the holding institution's catalogue record.
Maker / attribution
Unrecorded in source
Date
1960
Country of origin
Unrecorded in source
Object type
Clock
Materials / technique
Metall, Kunststoff (Material)
Dimensions
Höhe: 100 mm; Breite: 80 mm; Länge: 220 mm
Accession / object no.
030002736001 (Inventarnummer)
Credit line
Montanhistorisches Dokumentationszentrum
Catalogue title (original)
Wasseruhr (German)

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Record summary

Held and catalogued by Montanhistorisches Dokumentationszentrum (object number 030002736001 (Inventarnummer)), this is a clock, dated 1960. The Atlas places it in the Modern Mechanical Horology period (1945 – 1969) of its Instruments collection. Materials and techniques recorded by the source: Metall, Kunststoff (Material). Recorded dimensions: Höhe: 100 mm; Breite: 80 mm; Länge: 220 mm. The record is illustrated with 3 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 Montanhistorisches Dokumentationszentrum

Wasseruhr mit aufklappbarem Schutzdeckel und zwei Gewindeanschlüssen, grün lackiert. Herstellername und Fabrikzeichen auf dem Schutzdeckel. Die Uhr besteht aus fünf Anzeigen, darunter steht der Name "Karl Mathieu, Saarbrücken". Seitlich am Gusskörper sind je zwei Pfeile und der Buchstabe "Z" sowie "3 cbm" und "15 (...?)" aufgegossen. Ein Teil der Wasseruhr (unterhalb der Anzeige) ist verplombt.

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 An editor-reviewed English translation has not yet been published; we do not publish machine translations as authoritative text.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

Modern Mechanical Horology (1945 – 1969)

Tool watches for divers, pilots and astronauts; electric watches anticipate the electronic age.

Electronic instruments, quartz frequency standards and the first atomic clocks transformed precision timing in laboratories and broadcasting.

Read the period in the timelineMore instruments from this periodEarlier: Golden Age of Mechanical Watchmaking

Atlas type guide

Water, fire and incense clocks

Before the mechanical clock, intervals and hours were measured by flow and combustion. Outflow and inflow water clocks were used in Egypt, Mesopotamia, Greece, China and the Islamic world; Chinese and Japanese incense clocks burned powdered incense along a maze-like path; oil-lamp clocks with graduated glass reservoirs were popular in German-speaking Europe in the seventeenth and eighteenth centuries.

These timekeepers needed constant correction and could not keep the hour automatically for long periods, but they underpinned temple ritual, legal procedure, astronomy and the earliest monumental astronomical clocks such as Su Song's clock tower (1090s) and al-Jazari's designs (1206).

What to look for

  • Graduated vessels or glass reservoirs with hour scales.
  • Incense trays with stencils for laying the powder trail.
  • Pewter oil-lamp clocks with a glass reservoir marked in Roman numerals.

Dating clues

  • Oil-lamp clocks are mostly eighteenth century and often reproduced later.
  • Incense clocks were made in China and Japan into the twentieth century.

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:Su Song's astronomical clock tower

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