December 1919 - February 1920
The Board of the Electrotechnische Vereeniging of {period} has been constituted as follows:
| D.C. Schumm | President |
| W. Hondius Boldingh | Secretaris |
| J. Reiseger | Thesaurier |
| W.O. Julius | Vice-President / Afgev. C.C. |
| F. Stapff | Bibliothecaris |