G106A/322 - Clock Kollsman type 133M-01


Period 24 hours position at normal temperature and 4 hours in each position at -20C
Position Dial horizontal and vertical
Temperature -20C and normal
Permissable errors At normal temperature 60 seconds in 24 hours

At -20C - 30 seconds in 4 hours

Source: National Archives of Australia File A705, 150/4/1831, Instument Instruction 8-1 Vol II