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Type
Model No.
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Country
Construction
Material
Date
Scale Length
Area of Use
Disk
PTT Dosage Calculator
ALRO
Netherlands
Plastic
p. 1982
Dia. = 14 cm
Radiation Dosage
Notes:
1) Used to calculation the radiation dosage to determine when safe to leave PTT telecommunication facilities after an atomic explosion 2) Designed by Dr. C.G.F. Ampt and ing. K.K. Keimpema 3) Designed for Dutch conditions rather than NATO
Image 1
Image 2
