February 1920 - December 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. |
J. Limborgh | Bibliothecaris |