[Technical diagram] / Air Board
- Made:
- 1917
[Technical diagram] / Air Board. Technical Department. 1917 Oct. [Colour litho.] O.T.5. 1329: Aneroid altimeter, Mark VB
[Technical diagram] / Air Board. Technical Department. 1917 Oct. [Colour litho.] O.T.5. 1329: Aneroid altimeter, Mark VB