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The Encyclopedia of Horology

Clock type · Domestic

American Shelf and Ogee Clocks

Partially verified

Mass-produced American domestic clocks intended to sit on a shelf or mantel, produced in vast quantities by Connecticut and other New England factories from the early nineteenth century, of which the ogee-cased form is the most familiar type.

Background

The American shelf clock originated in the early 19th century as a product of Eli Terry, who introduced mass production to clockmaking to make them affordable. These clocks were mass-produced in Connecticut factories using water-powered machines to create interchangeable wooden parts, with manufacturers such as Chauncey Jerome later introducing brass movements. Design innovations allowed these smaller clocks to run for thirty hours before needing to be rewound.

Written from the sources listed below; each statement was checked against the cited text.

Recognising one

  • The pillar and scroll case features a wooden exterior about thirty inches tall with a clear dial, while the lower section holds a mirror or back-painted glass.
  • The OG clock is a rectangular shelf clock that utilizes brass movements.

Movement & mechanism

  • Wooden-plate movements in the earliest factory production (notably associated with Eli Terry's innovations), superseded by cheaper rolled-brass movements from the 1830s–1840s
  • Weight-driven in earlier examples, increasingly spring-driven as compact steel springs became affordable
  • Thirty-hour or eight-day duration, with alarm or striking options in many models

Identification

  • Ogee (S-curved moulding) case profile is the single most common surviving form and gives the sub-type its name
  • Paper label pasted inside the case back, naming the manufacturer, patent dates and sometimes instructions — a key attribution and dating tool where it survives
  • Reverse-painted or stencilled glass tablet on the lower door in many examples

Terminology

  • Ogee case — a case with an S-shaped moulded profile around the door
  • Weight-driven wagon-spring clock — a related American factory variant using a flat spring instead of a hanging weight

Known variations

  • Ogee (OG) shelf clock
  • Steeple/sharp-Gothic shelf clock
  • Beehive shelf clock
  • Wagon-spring shelf clock

Collecting notes

American shelf and ogee clocks are plentiful and generally affordable, with collecting interest concentrated on label survival, maker attribution and completeness of the original tablet and finish rather than mechanical rarity.

Photographs

AMERICAN OGEE MANTLE / SHELF CLOCK
AMERICAN OGEE MANTLE / SHELF CLOCK — Invaluable auction archive, Auction archive photograph, rights review pending. Invaluable sold-lot record
NO SHIPPING – Ogee shelf clock with Great Seal of the United States ...
NO SHIPPING – Ogee shelf clock with Great Seal of the United States ... — Invaluable auction archive, Auction archive photograph, rights review pending. Invaluable sold-lot record

Photographs are illustrative examples of the type, not necessarily the exact object described. Verify details against the source file page.

Sources & references

  1. Chauncey Jerome, Wikipedia (English), retrieved 2026-10-28 (text CC BY-SA 4.0)
  2. Eli Terry, Wikipedia (English), retrieved 2026-10-28 (text CC BY-SA 4.0)
  3. Seth Thomas Clock Company, Wikipedia (English), retrieved 2026-10-28 (text CC BY-SA 4.0)
  4. Palmer, B., A Treasury of American Clocks

Where sources disagree, the disagreement is stated rather than resolved silently.