William B. Johnson and Associates

Charger & 10 Dosimeters
Nine 0 - 200 milliroentgen dosimeters.
One 0 - 500 milliroentgen dosimeter.( Red Band )

Cat 6 Charger / Serial Number: 2648
Manufactured in France

Note: These commercial model dosimeters can be charged/zeroed
with any commercial, military or Civil Defense surplus chargers.

Above Left: Screen view of  0 - 200 mR dosimeter.
Above right: Screen view of 0 -500 mR dosimeter.

Above Left: Close-up of charger.
Above Right: Close-up of 0 -200 mR dosimeter.

Still doing business here:  William B. Johnson

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