1955 ... just in time for Christmas!

... can't figure out why they are so keen on expressing the fact "it's a pistol!".

Maybe they were figuring on a lot of Don Knotts type civil defense workers

being freaked out by atomic zombies? Then they could stand their ground 

and warn "I've got a personnel and area accumulated radiation exposure measuring device.
Don't come a step closer!"

Note: this was the only ad in the otherwise

somber publication below.