October 1928 - November 1929
The Board of the Electrotechnische Vereeniging of {period} has been constituted as follows:
J.L. Bonebakker | President |
J.M. Ledeboer | Secretaris |
J. Huges | Thesaurier |
F. Smit | Vice-President / Afgev. C.C. |
W. van der Lee | Commissaris |