1850-1899
GUSN-60792
Clear glass bulb encasing a set of vanes on a spindle that rotate when placed in sunlight.
radiometers
glassblowing
glass (material)
Instrument, Electrical
Radiometer
Radiometer
Original to Beauport, Sleeper-McCann House (Gloucester, Mass.),
Unknown
7 5/8 (H), 3 1/8 (diameter) (inches)
Gift of Constance McCann Betts, Helena Woolworth Guest and Frasier W. McCann
1942.2615
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