3D stereo camera and viewer

Stereo camera and 3D viewer, plastic / metal / glass / paper, made by Coronet Camera Company Birmingham, United Kingdom, 1954. Black plastic casing with metal dials and trim. Held lengthwise, viewfinder at top, double lenses with focusing wheel at top. The 3D viewer is a thin, black enamel case which folds out, one side housing the lenses, the other the frame for the photograph. The cardboard case is intact and in excellent condition.