A precision instrument designed to measure the curvature of a surface to a high degree of accuracy.  Robert Waland used it to calculate the curvature of optical lenses.
Object no :
Collection :
Creator :
The L S Starrett Company
Place of Production :
Athol, Mass, USA
Dimensions :
height 180mm, width 255mm, depth 230mm
Materials :
(box) wood, (instrument) metal
Location :
Related site :
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