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Tracerlab Film Badge (late 1940s, 1950s) |
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As can be seen from the photograph, this particular film badge was made by Tracerlab of Boston Massachusetts. It is made from stamped tin and it contains a single film packet (Dupont 552). The film is coded 092655 and 222A6 R. There is no date. |
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The filtration consists of a sheet of lead folded over one end of the film and a sheet of cadmium folded over the other end. Size: 1.5" x 2" Donated by Ron Kathren |
