I
Isostereo
J
J. L. B.
Jack, T. C. & E. C. stereoscope Jacob, Gustave Jahnholtz Johns patent Jugendstil Jumelle Jumelle Lux Juwel
K
Kaiserpanorama
Kalloscop Kalloscope (Richard) Keystone View Company Kilburn brothers Kilburn viewing case Kilburn, William Edward Knight, George & Sons Kolibri Kromskop
L
Landrey Stéréoscope
Langenheim brothers Latimer Clark system Laurent Lazy tong Le Conte Stevens patent Le Deley, Ernest Lechner & Müller Lechner & Müller pedestal stereoscope Lee, James Legendre, Louis Lenticular stereoscope Leporello stereoscope Leroy, Lucien Lévy patent Lewis family