April 1974 - December 1974
The Board of the Electrotechnische Vereeniging of {period} has been constituted as follows:
Hans Timmerman | President |
Gerard den Boon | Secretaris |
Cees de Vaal | Thesaurier |
Chris Broere | Vice-President / Excursieleider |
G.C. de Witter | Commissaris |