Subject ASC0000017

Recreative Science.
1, Page 91 (1860)
Natural History Museum Library, London
BHL Page 2539559

Keywords

drawing: {"keywords":["colour disc","Smith","Beck: Elliot Brothers: Kaleidoscopic","colour-top","colour","top","spectrum","illusion","vision","spindle","retina","experiment","optical illusion","color wheel","disk","filter","microscope","color","discs","disc","zoescope","pattern","colors","microscopy","instrument","plates","coloured disc","paterns","isochronous","Disc","rays"]}

classification_count: 18
group_id: "GSC0000003"
id: "5dc444c97716a10004000058"
keywords: ["colour disc","Smith","Beck: Elliot Brothers: Kaleidoscopic","colour-top","colour","top","spectrum","illusion","vision","spindle","retina","experiment","optical illusion","color wheel","disk","filter","microscope","color","discs","disc","zoescope","pattern","colors","microscopy","instrument","plates","Blackened disc","central aperture","rays","coloured disc","paterns","isochronous","Disc"]
page: "Page 91"
page_id: "2539559"
reduced: [{"type":"drawing","coords":[0,0,189,438,604,581],"value":{"keywords":["colour disc","Smith","Beck: Elliot Brothers: Kaleidoscopic","colour-top","colour","top","spectrum","illusion","vision","spindle","retina","experiment","optical illusion","color wheel","disk","filter","microscope","color","discs","disc","zoescope","pattern","colors","microscopy","instrument","plates","coloured disc","paterns","isochronous","Disc","rays"]}}]
scale: 0.4507405022537025
subject_id: "ASC0000017"
volume: "1"
year: "1860"