Objects
Viewing Record 26 of 30Previous Record Next Record
Switch Views: Lightbox | Image List | List
lens baton no. 133 "Amethyst"
OPHTHALMIC LENSES
lens set
Crookes
wood; glass; card
1999.3324
OPHTHALMIC LENSES
lens set
Crookes
wood; glass; card
Wooden baton consisting of a handle and frame holding a card. The card features lenses stuck so as to be viewed through holes from the other side. Six mainly round lenses. Purple. Lenses: 229, 230, 305 (jagged rectangle), 231 ("German Turkish"), 227 (square), 155A ("Crookes"), gap, gap (gaps covered by paper graphs marked "AMETHYST A" and "AMETHYST B".
1999.3324