Pyr-A-Alarm Salesman Demostrator fire alarm unit by Pyrotronics Company
with carrying case, electrical hook-ups, ionization detector, support arm,
and instruction book. It appears that everything still works. This
demostrator unit is in excellent condition. Pyrotronics revolutionize the
life safety in the 1950's with the ionization detector according to the
internet. This has to be a very unique salesman item out of the 1950's.