Author: OLA (Tainii)

Description

C ?AR?OLA (Tainii). See TO1iILA (Mauri). A Variable—radio—frequency radiosonde system with graphical transfer of the recording to the aerological diagram, etc. [Translated by T.Paroola, J.M.Perttunen and P.Kuokkanen.] He1sInki 1956.

Card ID: 125