From collection Mount Desert Island Historical Society - Objects Collection
Eclipse.O.Scopes to View the Sun
These were manufactured by J.C. Freeman & Company, Opticians of Worcester, Mass. They measure about 3" X 5" with cut.out slits through which to view the sun during an eclipse. Also included are rectangular films in small envelopes.
Details
Eclipse.O.Scope, 1932
1932
09/23/2013
09/23/2013
09/23/2013
09/05/2024
