Very interesting and informative, Niksch, thank you. Were there many variants of this model of the late 40's with the same clip and barrel ? One sent me pictures of a 134 from the MB book very similar but with the cap band engraved. These caps were not engraved along the side like many other models ?
131-420 FRONT 131-420 REAR AND SIDE PROFILE. SEA-FIRE FIRE SUPPRESSION SYSTEM MONITOR WITH ENGINE SHUTDOWN CONTROL AND HIGH TEMPERATURE ALARM. Part No. 131-420. ELECTRICAL CONNECTIONS. Connect the plug on the back of the panel to the. corresponding plug on the Sea-Fire ESRS shutdown unit. Connect the blue wire to one of the temperature sensor. wires.
Acceptable firewood heat treatment must raise the core temperature of the firewood to 71 degrees C, or 160 degrees F, and hold it there for at least 75 minutes. Most kiln-drying processes that reduce the moisture content to less than 18% achieve this sterilization standard.