Original WWII B-17 Flying Fortress Fire Extinguisher 1939 Model FF2 Randolph Lab

Description

Original WWII B-17 Flying Fortress Fire Extinguisher 1939 Model FF2 Randolph Lab. Condition is "New".
Original late WW2 issue Model FF2 Fire-extinguisher manufactured by Randolph Laboratories of Chicago, Illinois. It is of steel construction and stands 16 tall with a circumference of 14 inches. The label is intact and reads:
MODEL FF2
HORIZONTAL
CARBON DIOXIDE FIRE EXTINGUISHER
TO OPERATE:
1) AIM CLOSE TO BASE OF FLAME
2) PULL FINGER TRIGGER
AFTER USE RECHARGE IMMEDIATELY
CHECK CONTENTS EVERY 6 MONTHS BY WEIGHING
THE CORRECT WEIGHT FOR THE EXTINGUISHER, FILLED, COMPLETE WITH HORN IS STAMPED IN LBS AND OZ ON THE VALVE. RECHARGE IF 6 OZ UNDERWEIGHT.
TO RECHARGE
UNSCREW HORN, CONNECT TO CO2 RECHARGING UNIT AND FILL SLOWLY. (MAX. 2 LBS. CO2) ATTACH SEAL WIRE AT TRIGGER. REATTACH HORN. INDICATE DATE.
FOR GOVERNMENT USE ONLY
RANDOLF LABORATORIES, INC.
KATIE STREET CHICAGO ILL, U.S.A.
Overall condition is very good. Stamp on tank itself is hard to read, but I believe the tank was made in 1939 and issued for use on a B017 Flying Fortress Airplane.