Two Large de Saussure Mirrors

Unknown Maker


19th century

Two large brass concave mirrors. They are identical, both mounted on hardwood stands. Wooden stands are capped with wire holder which allows the mirrors to be adjusted as they pivot on two stems set at opposite edges of mirrors. The two devices are pictured in the Bly Heat and Sound Photograph. Both are pictured with a supporting device with two prongs that slip through holes at the tops of the wooden stands. One stand has a crack across the width of base.

Overall: 38 × 15 3/4 in. (96.5 × 40 cm)

Hood Museum of Art, Dartmouth College: Allen King Collection of Scientific Instruments, Hood Museum of Art, Dartmouth College



North America, United States


19th century

Object Name

Scientific Instrument


Scientific Instrument

Scientific Instrument: Heat

Not on view

Published References

Horace Benedict de Saussure and Marc Auguste Pictet (Pictet-Turretini) first used to demonstrate transmission of radiant energy, 1786.


Source unknown; catalogued into the Allen King Collection of Scientific Instruments, 2002.

Old Number


This record was created from historic documentation and may not have been reviewed by a curator; it may be inaccurate or incomplete.

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