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Usage conditions apply
This heliostat was probably used to throw sunlight into one of the rooms of the Salisbury Laboratories, a Worcester Polytechnic Institute building that was opened in 1889. The “QUEEN & CO. PHILA.” inscription refers to a major supplier of scientific apparatus.
Currently not on view
Object Name
Queen and Company
place made
United States: Pennsylvania, Philadelphia
overall: 32 cm x 47.5 cm x 17.3 cm; 12 19/32 in x 18 11/16 in x 6 13/16 in
wooden base: 42 mm x 36.5 cm x 17.3 cm; 1 21/32 in x 14 3/8 in x 6 13/16 in
mirror: 15.2 cm x 25.4 cm; 5 31/32 in x 10 in
overall: 12 in x 16 1/8 in x 6 7/8 in; 30.48 cm x 40.9575 cm x 17.4625 cm
ID Number
accession number
catalog number
See more items in
Medicine and Science: Physical Sciences
Data Source
National Museum of American History
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