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The Encyclopedia of Horology

Chicago, Illinois, United States

J.H. Rosberg Manufacturing Co.

Partially verified

Watchmakers' work benches and dentists' laboratory benches and cabinets

History

John Henry Rosberg, a Swedish-born cabinet maker, established a partnership with Hans Jessen in Chicago known as Jessen & Rosberg.

The company operated a large facility in Chicago that managed every stage of production from the engine room to the finishing rooms. The firm produced a diverse array of wooden furniture, though it became widely recognized for its specialized work benches for watchmakers and dentists.

The extended history summarises the open references listed under Sources; each statement was checked against the cited passage. Confirm key dates in period documents before relying on them.

Major innovations

  • John Rosberg developed a patented design for a dentist's cabinet that gained international market success.

Serial numbers

No serial-number system for this maker is recorded in the cited references.

Collecting significance

The catalogued pieces listed on this page show the kinds of objects auction houses, dealers and museums attribute to this maker; each attribution is the source's own.

In the object catalogue

2 catalogued objects are recorded under J.H. Rosberg Manufacturing Co. Attributions are as given by each source and are not independent authentication.

  • Front view of the J. H. Rosberg Mfg. Co. watchmaker's bench showing drawer layout and apron slide
  • Front three-quarter perspective view of the dark-stained wooden watchmaker's workbench showing drawer bank and light-toned top

Sources & references

  1. Carnegie Museum of Montgomery County: J.H. Rosberg Manufacturing Company, cmmc-collage.blogspot.com, retrieved 2026-11-03 (paraphrased; text © the publisher)
  2. Foreign Language Press Survey, flps.newberry.org, retrieved 2026-11-03 (paraphrased; text © the publisher)

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