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lens baton no. 112 "Chlorophylls or Fieuzal etc."
OPHTHALMIC LENSES
lens set
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. Three oval lenses positioned vertically. Green. Lenses: Gap, 90, 16, 92. Also two paper graphs marked 'FIEUZAL A' and 'FIEUZAL B'.


1999.3310

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