Oxygen Master Regulator Mark X, British RAF, 106D/24, For Parts or Repair SN7836 WW1 NOTE: the second pointer is

NOTE:  the second pointer is missing

which will coincide with the compass reading once on course

Once the aircraft reaches 5000 Meters

Our example is in excellent condition given its age

Oxygen Master Regulator Mark X, British RAF, 106D/24, For Parts or Repair SN7836 WW1 NOTE: the second pointer isThis WWII era Oxygen Master Regulator Mark X was used in large bomber aircraft of the British Royal Air Force and Royal Canadian Air Force, such as the Avro Lancaster. The Mk X regulator was for a high pressure continuous flow oxygen system and allowed the pilot to control the flow of oxygen centrally for up to 8 crewmen. The left hand knob controlled the flow of oxygen, which would be displayed on the ALT gauge. The flow was to be set to match the