November 1948 - February 1949
The Board of the Electrotechnische Vereeniging of {period} has been constituted as follows:
| U.J.K. Versfelt | President |
| Otto von Königslöw | Secretaris |
| J.F.T. van Heemskerck Veeckens | Excursieleider |
| K.T.A. Halbertsma | Commissaris |