Barograph clock by Alexander Cumming

Made:
1766 in London
maker:
Alexander Cumming
Barograph clock made by Alexander Cumming, London, England, 1766.  Consists of compensated pendulum regulator clock Barograph clock made by Alexander Cumming, London, England, 1766.  Consists of compensated pendulum regulator clock Barograph clock made by Alexander Cumming, London, England, 1766.  Consists of compensated pendulum regulator clock Barograph clock made by Alexander Cumming, London, England, 1766.  Consists of compensated pendulum regulator clock Barograph clock made by Alexander Cumming, London, England, 1766.  Consists of compensated pendulum regulator clock Barograph clock made by Alexander Cumming, London, England, 1766.  Consists of compensated pendulum regulator clock Barograph clock made by Alexander Cumming, London, England, 1766.  Consists of compensated pendulum regulator clock Barograph clock made by Alexander Cumming, London, England, 1766.  Consists of compensated pendulum regulator clock Barograph clock made by Alexander Cumming, London, England, 1766.  Consists of compensated pendulum regulator clock Barograph clock made by Alexander Cumming, London, England, 1766.  Consists of compensated pendulum regulator clock Barograph clock made by Alexander Cumming, London, England, 1766.  Consists of compensated pendulum regulator clock Barograph clock made by Alexander Cumming, London, England, 1766.  Consists of compensated pendulum regulator clock Barograph clock made by Alexander Cumming, London, England, 1766.  Consists of compensated pendulum regulator clock Barograph clock made by Alexander Cumming, London, England, 1766.  Consists of compensated pendulum regulator clock Barograph clock made by Alexander Cumming, London, England, 1766.  Consists of compensated pendulum regulator clock Barograph clock made by Alexander Cumming, London, England, 1766.  Consists of compensated pendulum regulator clock Barograph clock made by Alexander Cumming, London, England, 1766.  Consists of compensated pendulum regulator clock Barograph clock made by Alexander Cumming, London, England, 1766.  Consists of compensated pendulum regulator clock Barograph clock made by Alexander Cumming, London, England, 1766.  Consists of compensated pendulum regulator clock Barograph clock made by Alexander Cumming, London, England, 1766.  Consists of compensated pendulum regulator clock Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock with Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock with Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock with Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock with

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Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock with
Science Museum Group
© The Board of Trustees of the Science Museum, London

Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock with
Science Museum Group
© The Board of Trustees of the Science Museum, London

Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock with
Science Museum Group
© The Board of Trustees of the Science Museum, London

Barograph clock made by Alexander Cumming, London, England, 1766. Consists of compensated pendulum regulator clock with
Science Museum Group
© The Board of Trustees of the Science Museum, London

Barograph clock made by Alexander Cumming (1731 or 1732-1814), London, England, 1766. It consists of a compensated pendulum regulator clock and a mercury barograph mechanism for measuring changes in air pressure, which are recorded on the circular paper chart around the outside of the dial. Two tubes of mercury are concealed in the fluted wooden columns visible inside the glass trunk door. An ivory cistern and a wood and ivory pen cage run in ivory rollers connecting the pressure-measuring mechanism to the recording dial. The clock is housed in an exuberant carved mahogany case believed to be by the esteemed cabinet-maker Thomas Chippendale. Originally used by Cumming himself, the barograph clock was purchased in around 1814 and used by manufacturing chemist and meteorologist, Luke Howard (1772-1864).

From 1814 onwards, this clock was used by the famed meteorologist Luke Howard to make systematic observations that are among the world’s first urban climate studies. The clock was made in 1766 by the noted London clockmaker Alexander Cumming, three years after he completed a similar device for King George III, a prominent patron of science.

Details

Category:
Time Measurement
Materials:
brass (copper, zinc alloy), glass, ivory, mercury, paper (fibre product), silver plated, steel (metal) and wood (mahogany)
Identifier:
1973-565 Pt1
type:
instrument component
taxonomy:
  • component - object
  • furnishing and equipment
  • measuring device - instrument
  • timepiece
  • furnishing and equipment
  • measuring device - instrument
  • barometer
credit:
Acquired with Art Fund support (with a contribution from The Wolfson Foundation)