Altimeter, Simple, 20,000 FT., Zenith Mk V.a. WWI and/or Post WWI RAF KC-135 This example is in nice

This example is in nice condition given its age

The artifact is in very good condition given its apparent age

the content is intact and a handy reference

This manual instructs student bombardiers on the calibration procedures for the aircraft instruments upon which he will rely to effectively perform his duties

The nature of the modification is unknown

Altimeter, Simple, 20,000 FT., Zenith Mk V.a. WWI and/or Post WWI RAF KC-135 This example is in niceHere is a WWI era Post WWI Simple Altimeter indicating height up to 28,000 ft. The knob rotates stiffly to turn the dial to adjust for ground height. The bezeled glass appears to be original. It is of the British RAF as indicated by the Air Ministry symbol stamped on the back. We have seen claims that these were used in aircraft such as the Sopwith Camel and Sopwith Pup, but these claims have not been independently confirmed by AeroAntique. The