Image board for optical toy, an 'optical paradox' as described by George Adams, depicting the letter 'A' surrounded by floral designs. Image board for optical toy 1790-1795
Image board for optical toy, an 'optical paradox' as described by George Adams. Front depicts a crown and sceptre on a cushion, surrounded by butterflies and floral patterns. Reverse depicts a poem, beginning with 'Tho' light my body is and small', surrounded by pastoral scenes and birds. Image board for optical toy 1790-1795
Image board for optical toy, an 'optical paradox' as described by George Adams, depicting a man and woman surrounded by shells and flowers. Image board for optical toy 1790-1795
Image board for optical toy, an 'optical paradox' as described by George Adams, depicting two figures stood in front of a building, surrounded by floral motifs. Image board for optical toy 1790-1795
Image board for optical toy, an 'optical paradox' as described by George Adams. Front depicts a kneeling figure surrounded by grapes, vines, bottles, and jug motifs. Reverse depicts a figure holding an auctioneering mallet, surrounded by floral motifs and labelled 'Mr. Fo in the Character of Smirk, or the Auctioneer'. Image board for optical toy 1790-1795
Image board for optical toy, an 'optical paradox' as described by George Adams. One side depicts a black and orange cat, surrounded by floral motifs. Other side depicts a sun in centre and four figures in each corner. Image board for optical toy 1790-1795
Image board for optical toy, an 'optical paradox' as described by George Adams, depicting man in ermine cape, surrounded by butterflies and flowers. Image board for optical toy 1790-1795