8 assorted lenses in threaded collars
Date: 1875-1925
Inventory Number: 2007-1-0342
Classification: Lens
Dimensions:thickest: 3.4 × 3.4 × 1 cm (1 5/16 × 1 5/16 × 3/8 in.)
Description:
This is a mixed collection of small lenses held in blackened brass collars. All but two have threads. All but one have knurled edges. These may have been parts of eyepieces.