Reel of cineradiographic sequences, probably taken with equipment made by Watson and Sons (Electro-Medical) Ltd, 1935-1955 Reel of cineradiographic sequences
"Cinefluorography with the 12 1/2 inch electro optical image "intensifier" colour silent publicity film (16mm), for the "Cinelix" system made by "Old Delft" Netherlands, c.1960 Colour silent publicity film 1955-1965