Clocks · Alarm clock
Alarm clock, Germany, 1400–1499
- Maker / attribution
- Unrecorded in source
- Date
- 1400–1499
- Historical period
- Renaissance Horology (1400 – 1600)
- Country of origin
- Germany
- Object type
- Alarm clock
- Holding institution
- German Clock Museum
- Accession / object no.
- Museu_ProvidedCHO_museum_digital_29725__technical_number_
- Catalogue title (original)
- Eisenuhr mit Wecker, Mitteleuropa, 16. Jahrhundert (German)
Record summary
Held and catalogued by German Clock Museum (object number Museu_ProvidedCHO_museum_digital_29725__technical_number_), this is an alarm clock, made in Germany, dated 1400–1499. The Atlas places it in the Renaissance Horology period (1400 – 1600) of its Clocks collection. 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
Catalogue description from German Clock Museum (German)
Eisenuhr mit Wecker, Mitteleuropa, 16. Jahrhundert (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 An editor-reviewed English translation has not yet been published; we do not publish machine translations as authoritative text.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
Renaissance Horology (1400 – 1600)
Spring power makes clocks portable; Nuremberg and Augsburg produce the first watches; the Prague Orloj is built.
Spring power made the domestic clock portable. Augsburg and Nuremberg produced gilt-brass table clocks, often with astronomical dials and alarms; weight-driven Gothic wall clocks and English lantern clocks served households. Clocks of this period have foliot or balance-wheel control and usually only an hour hand.
Read the period in the timelineMore clocks from this periodEarlier: Medieval Period
Atlas type guide
Alarm clocks
Alarm work is among the oldest clock functions: monastic clocks woke monks for night prayers, and Renaissance table clocks often carried an alarm disc set by a pin. A separate spring or weight is released at the set time and drives a hammer against a bell. Some early alarms also lit a candle by striking a flint — the 'tinder pistol' alarm.
The cheap, mass-produced alarm clock arrived in the second half of the nineteenth century. American firms such as Seth Thomas and Westclox (the 'Big Ben' of 1910) and German makers such as Junghans and Kienzle made millions of drum-shaped alarms with pin-pallet escapements. Electric, quartz and digital alarm clocks followed in the twentieth century.
What to look for
- A separate alarm-setting dial or disc and an extra winding key.
- Twin bells on top (common after c. 1920) or a bell enclosed in the base.
- Pin-pallet escapements in inexpensive factory alarms.
- Trademarks and patent dates on dial or back.
Dating clues
- Renaissance alarm table clocks: sixteenth to seventeenth centuries.
- Drum alarm clocks: from the 1870s.
- Luminous dials with radium paint: c. 1910–1960.
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.
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