April 1958 - October 1958
The Board of the Electrotechnische Vereeniging of {period} has been constituted as follows:
| Bart Lageman | President |
| J. Rijk | Secretaris |
| Jan van Dongen | Thesaurier |
| A. van der Knaap | Vice-President |
| Simon Mol | Commissaris |
April 1958 - October 1958
The Board of the Electrotechnische Vereeniging of {period} has been constituted as follows:
| Bart Lageman | President |
| J. Rijk | Secretaris |
| Jan van Dongen | Thesaurier |
| A. van der Knaap | Vice-President |
| Simon Mol | Commissaris |