May 1911 - November 1911
The Board of the Electrotechnische Vereeniging of {period} has been constituted as follows:
| F.R. Willink | President |
| J.F. Mouthaan | Secretaris |
| W.A.J. Liebert | Thesaurier |
| H.J. Keus | Vice-President |
| C.J. van der Sijp | Bibliothecaris |
| L.A. Stoop | Afgev. naar de centrale commissie |