Material: glass, paper, metal. Size: 3 1/4" W. x 4" L. x 1/8" D. Description: negative slide between two glass plates - black taped edges - silver toned metal frame - pictured: figure of historical Jesus sitting on a rock near a shore - printing on box: "Title _ _ _ _Holley Process Slides Holley Institute of Visual Instruction, Cincinnati, Ohio Automatic Projectors".