January 1952 - April 1952
The Board of the Electrotechnische Vereeniging of {period} has been constituted as follows:
Th.I. Sprenger | President |
Rene Delsing | Secretaris |
A.A. Loeff | Thesaurier |
R.L. Bosch | Excursieleider |
S.H. Stenfert | Commissaris |