Necker in Scotch perspective.
Wade
Nicholas J
NJ
Campbell
Robin N
RN
Ross
Helen E
HE
Lingelbach
Bernd
B
D003461:Crystallography / Q000266:history; D003867:Depth Perception; D005844:Geology / Q000266:history; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009903:Optical Illusions; D010364:Pattern Recognition, Visual; D012606:Scotland