Rate of Climb / Vertical Speed Indicator, 15 M/S, Luftwaffe Variometer Fl.22386 A-20 When the compass pointer is

When the compass pointer is centered within the course indicating pointers

This is a Gyrosyn Compass Master Indicator Type C

The indicator is in exceptional condition given its age

Here is a  Rapid Response Rate of Climb / Vertical Speed Indicator

Also note the photo of the fuel tank locations in a B-36H with their capacities in gallons (note that the gages indicate fuel in pounds

Rate of Climb / Vertical Speed Indicator, 15 M/S, Luftwaffe Variometer Fl.22386 A-20 When the compass pointer isHere is a WWII era Vertical Speed Indicator used in aircraft of the German Luftwaffe, measuring vertical speed in a climb or descent from 15 meters second to + 15 meters second. It is labeled Fl. 22386 (although it appears closer to the Fl. 22384), and was made by Balda Werk, Dresden (oeq) Measures ~3. 25 inches diameter and ~2. 5 inches deep. It is in reasonable condition given its age.