Pocket Dosimeter, Part of Federal Civil Defense Administration Radiological Instrument Kit for Waldorf High School. Material: metal, paper, glass. Size: 1/4" diameter x4 1/2" L. Description: yellow enameled circular metal case; "Bendix" engraved on gold metal pocket clip; on barrel: Civil Defense logo; blue print: "Bendix, CD V-742, C 0729653"; white paper label: "RITF, Nov 1991"; glass covering on ends; measures exposures from 0 – 200 roentgen (R).