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The Encyclopedia of Horology

Clock · Tower clock (tischuhr)

Augsburg gilt and engraved brass tower clock (Tischuhr)

Partially verified

This late 16th-century German table clock (Tischuhr) features an architectural tower-form case of gilt and engraved brass. The structure is surmounted by a sculpted figure of Hercules atop a domed cupola over an arched colonnade concealing the bell. Supported by fluted Corinthian corner columns on a spreading base, the case features engraved urns, foliage, and strapwork. The main dial has a Roman chapter ring with twelve touch pins for night reading, an inner 13-to-24 Arabic hour ring, and a central alarm-setting disc. Source documentation describes a spring-driven movement with verge escapement, un-sprung balance, twin chain fusees, and countwheel strike.

Three-quarter front view of the gilt and engraved brass Augsburg tower clock
Three-quarter front view of the gilt and engraved brass Augsburg tower clock — Bonhams. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.invaluable.com
Category
Clock · Tower clock (tischuhr)
Maker / attribution
Not established
Reference
Not recorded
Catalogue / lot identifier
101
Source-reported date
late 16th century
Country
Germany

Source-reported attribution and specifications are not independent authentication. A listing does not establish present ownership, current display, availability or permission to reproduce.

Object description

Case Construction

The clock is housed in an architectural tower-form case made of gilt and engraved brass. It features a spreading foot, with each corner of the flared base containing an un-threaded hole at the far tip. The structure is supported by fluted Corinthian columns set on pedestal bases.

The upper section consists of a colonnade of Roman arches concealing the bell, surmounted by a repoussé cupola and a figure of Hercules holding his club and the Hesperides. The case is decorated with engraved urns, foliage, strapwork, and punched flowerheads and fruit.

Evidence for this section
  • “gilt and engraved brass Augsburg tower clock, or Tischuhr”
  • “Each corner of the flared foot has a small un-threaded hole at the far tip.”
  • “The case surmounted by the standing figure of Hercules holding the Hesperides and his club, over a repoussé cupola raised on a colonnade of Roman arches, the bell hidden from view behind”
  • “each corner set with a cast volute scroll on a stop-fluted Corinthian column on a pedestal base, all raised on a spreading foot and decorated with engraved urns issuing exotic flowers within burnished strapwork and foliage; further decorated with punched flowerheads and fruit.”

Dial and Timekeeping

The 2.5-inch brass dial features a Roman chapter ring with twelve raised touch pins for night reading. The dial also includes an inner Arabic numeral track for the 13-24 hour period and a central alarm-setting disc.

The movement is spring-driven with trains mounted one behind the other. It includes a chain fusee and a verge escapement with an un-sprung steel balance wheel. Documentation notes the front hand is a later replacement.

Evidence for this section
  • “The main 2.5 inch brass dial with Roman chapter ring framed by twelve raised touch pins for tactile reading at night, with simple half-hour marks enclosing the 13-24 hour Arabic inner hour band, and central alarm-setting disc”
  • “The spring driven movement with steel top and bottom plates united by square-section posts, the trains mounted one behind the other; to the front the going with chain fusee and verge escapement with un-sprung steel balance wheel mounted on the top plate”
  • “the front hand is a later replacement”

Striking and Alarm Mechanism

The rear of the clock features a 2-inch solid numbered countwheel with a scroll-engraved center, accompanied by a blued steel hand indicating the last hour struck. The clock strikes on a single bell.

The strike train is powered by a separate chain fusee, and the alarm is wound independently from the right side. The crown wheel is noted as a possible old replacement.

Evidence for this section
  • “The rear panel set with a 2 inch solid numbered countwheel with scroll-engraved centre and blued steel hand indicating the last hour struck.”
  • “the strike train to the rear with separate chain fusee, countwheel strike on a single bell and alarm work sounding on the same bell.”
  • “The alarm wound to the right hand side.”
  • “The crown wheel is possibly an old replacement”

Open research questions

  • What is the intended function of the un-threaded holes located at the tips of the flared foot corners?
  • What is the historical significance of the 'old hole' identified in the countwheel?

Source evidence

Recorded claims and source quotations for Augsburg gilt and engraved brass tower clock (Tischuhr)
FieldSource-reported valueSource quotation
Height27 cm (11 in)“27cms (11ins) high.”
EscapementVerge escapement with un-sprung balance“verge escapement with un-sprung steel balance wheel mounted on the top plate”
Dial FeaturesRoman ring with tactile touch pins and inner 13-24 hour track“Roman chapter ring framed by twelve raised touch pins for tactile reading at night, with simple half-hour marks enclosing the 13-24 hour Arabic inner hour band”
Countwheel IndicatorRear 2-inch numbered disc“The rear panel set with a 2 inch solid numbered countwheel with scroll-engraved centre and blued steel hand indicating the last hour struck.”
DateLate 16th century“late 16th century German gilt and engraved brass Augsburg tower clock”

Visible details

  • Gilt brass tower-style case surmounted by a standing finial figure holding a club.
  • Cupola with an open colonnade resting over Corinthian corner columns.
  • Circular engraved dial plate bearing concentric Roman and Arabic numeral tracks.

Research qualifications

  • The condition report notes that the front hand is a later replacement and the crown wheel may be an old replacement.
  • Internal movement and rear countwheel dial are described in the text but not visible in the provided front-perspective image.

Photograph identity and source facts were screened before import; rights clearance remains pending.

Terms in this record

Glossary explanations for terms named in this object’s record.