Monotype Matrix Monocular Optical Depth Testing Instrument
1953
1953
1955
1925
1963
1907
1960
1908
1908
1930
1953
1961
1953
1937
1911
1919
1937
1960
1914
1937
1945
1919
1954
1930
1953
1952
1937
1957
1957
1922
1908
1937
1951
1952
1929
1900-1990
1900-1990
1900-1990
1900-1990
1900-1990
1900-1990
1900-1990
1900-1995
1900-1995
1900-1995
1900-1995
1900-1995