Master Indicator, Type N-1 Compass System plus Service Manual B-29 We've not seen one until

We've not seen one until this specimen was found

The center knob is to set the desired course and to cage the gyro

and if the barrels should be depressed or elevated

Made by Weston

This is an original 1960's-era Instrument Flight Manual for the Naval Air Training and Operating Procedures Standardization Program (aka NATOPS

Master Indicator, Type N-1 Compass System plus Service Manual B-29 We've not seen one untilThis is a Master Indicator used in the N 1 Compass System by aircraft of the US Air Force during the 1950's and into the 1960's. The N 1 system is a remote indicating, gyro stabilized compass system designed for use in all latitudes, which is what made it unique at the time. The N 1 system was commonly used in early models of the US Air Force bomber B 52 Stratofortress, transport C 130 Hercules, and air tanker KC 135. It was installed at the