MIL-T-3618C, MILITARY SPECIFICATION: THERMOMETER, SELF-INDICATING, BIMETALLIC (28-MAR-1969) [NO S/S DOCUMENT]
MIL-T-3618C, MILITARY SPECIFICATION: THERMOMETER, SELF-INDICATING, BIMETALLIC (28-MAR-1969) [NO S/S DOCUMENT]., This specification covers two bimetallic, self-indicating thermometers, graduated in fahrenheit or centigrade units for use in determining the temperature of propellant temperature indicators to determine the temperature in fixed ammunition. (see 6.1)