Reviews

18th vol, jan-june 1841 203-4 - introduction, general thing on illusions 228 - ii - wheatston, eletric spark, lightning, sectored discs, etc. 235-6 - iii - more spinning discs with different patterns - interesting, new ones i haven't seen before!!fdfd vol 19, july-dec 1841 52 - IV - roget wheel. 95-96 - V - faraday 141 - VI - faraday continued 163 - VII- wheatstone on binocular vision 189 - VIII - wheatstone stereoscope 220-221 IX - wheatstone stereoscope continiued