Description:
A cut-off milk carton held an assortment of positive, spherical lenses. These have been sorted into these categories, each with its own inventory number, and rehoused:
1998-1-0384a: 2 circular plano-convex
1998-1-0384b: 7 spectacle-shaped plano-convex, cylindrical lenses (showing astigmatism)
1998-1-0384c: 5 bi-convex
1998-1-0384d: 3 meniscus
1998-1-0384e: 1 meniscus lens with spherical, cylindrical curvature in American Optical pouch
1998-1-0384f: 1 achromatic doublet