


'Rainbow Cup' scientific toy, invented by Charles Vernon Boys, FRS, and patented in 1911, with instruction booklet.
Details
- Category:
- Optics
- Object Number:
- 1973-253
- Materials:
- brass (copper, zinc alloy), cardboard, copper (alloy), metal (unknown), paper (fibre product), plastic (unidentified) and steel (metal)
- Measurements:
-
overall: 120 mm x 85 mm x 85 mm, , .175kg
- type:
- optical toy
- taxonomy:
-
- furnishing and equipment
- toy - recreational artefact
- furnishing and equipment
- toy - recreational artefact
- credit:
- Wilson, G.B.L.