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Type | Model No. | Maker | Country | Construction Material | Date | Scale Length | Area of Use |
Disk | 15480 | IWA | Germany | Plastic | 1985 | dia. = 11.5 cm | Radiation Dosage |
Notes: 1) Used to calculate safe entry and exit times after an atomic blast 2) Included two large overlay grids for a map
Image 1
![](nuclear/images/2091a.jpg)
Image 2
![](nuclear/images/2091b.jpg)
Image 3
![](nuclear/images/2091c.jpg)
Image 4
![](nuclear/images/2091d.jpg)
Image 5
![](nuclear/images/2091e.jpg)