Downloaded from https://www.everyspec.com MIL-STD-2031 (SH) 1000 ml QUARTZ BEAKER TC ( 92 mm 0.0. /- INSULATION GALVANIZED SHEET CERAMIC WITH RECESSED VERTICAL HEATIN6 ELEMENTS ,, ,,,,, , \ THERMOCOUPLE u HEATING ELEMENT IN BOTTOM \ FIGURE 5. Cumbwtim furnace. 33