Nicholas de Cusa (1401-1464): a description of fine grained and polished wooden spoons employed as mirrors; concave, convex, flat and cylindrical (1450 AD).
Jay M
JM
Enoch
D049668:History, 15th Century; D007558:Italy; D009885:Ophthalmology / Q000266:history*; D012029:Refraction, Ocular; D013525:Surgical Instruments / Q000266:history*