Lothian stereoscope
Louis XVI style
Lowden, George
Loyd patent
Loyd’s American Stereoscope
Lyons patent
LZ 126
Mackenstein
Magazin-Stereobetrachter
Magic lantern
Magic Photo Album Educator
Magic stereoscope
Marinier, Jules
Martinet
Mascher Stereoscopic Book
Mascher viewing case
Mascher, John Frederick
Mathieu patent
Mattey
Meagher, Patrick
Melainotype
Mendel, Charles
Merveilleux
Metal stereoview
Métamagasin
Métascope
Metropolitan Syndicate Press
Mexican stereoscope
Mignon-Stéréo
Mignoscope
Minimus
Mirascope
Miroplast
Mirror stereoscope
M
M. P. F.
