Archive of Collections

Details and Image

TypeModel No.MakerCountryConstruction
DateScale LengthArea of Use
Wehrman Radiation Dosage Calculator
Card Stock
est. 1950'sDia. = 13.4 cmRadiation Dosage

Notes: "1) Used to determine radiation dosage 2) This calculator consists of three concentric disks, Exposure Time, Elapsed Time and Intensity and Dosage 3) Simple construction, almost appears to be a prototype 4) Wehrman is listed in several publications and worked in the nuclear industry."

Image 1