May 1948 - November 1948
The Board of the Electrotechnische Vereeniging of {period} has been constituted as follows:
| U.J.K. Versfelt | President |
| Otto von Königslöw | Secretaris |
| L. Oosting | Thesaurier |
| Robbert van Erpers Royaards | Excursieleider |
| Joop Brak | Commissaris |