Sterling Price Ferguson, an employee of the Blue Hill Meteorological Observatory in Massachusetts, described a new instrument for determining the time and duration of rain in 1905. The U.S. Weather Bureau transferred this example to the Smithsonian in 1959.

Ref: S. P. Ferguson, “Two New Meteorological Instruments: The Automatic Polar Starlight Recorder; The Ombroscope,” Quarterly Journal of the Royal Meteorological Society 31 (1905): 309-316.

Location: Currently not on view

See more items in: Medicine and Science: Physical Sciences


Exhibition Location:

Data Source: National Museum of American History

Id Number: PH.316817Catalog Number: 316817Accession Number: 228768

Object Name: ombroscope

Measurements: overall: 10 in x 20 3/4 in x 11 1/4 in; 25.4 cm x 52.705 cm x 28.575 cm


Record Id: nmah_1167506

Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.

If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.