February 1949 - October 1949
The Board of the Electrotechnische Vereeniging of {period} has been constituted as follows:
J.F.T. van Heemskerck Veeckens | President |
Otto von Königslöw | Secretaris |
H.F.N. de Ronde | Thesaurier |
G. van Reijen | Excursieleider |
K.T.A. Halbertsma | Commissaris |