Measurements of the trilinear gauge boson couplings WW gamma and WWZ an pre
sented from data taken by DELPHI in 1997 at an energy of 183 GeV. From a st
udy of the reactions e(+)e(-) --> W+W-, e(+)e(-) --> We nu and e(+)e(-) -->
nu nu gamma, values are obtained for Delta g(1)(Z) and Delta kappa(gamma)
the differences of the WWZ charge coupling and of the WW gamma dipole coupl
ings from their Standard Model values, and for lambda(gamma) the WW gamma q
uadrupole coupling. The observations are consistent with the predictions of
the Standard Model. (C) 1999 Elsevier Science B.V. All rights reserved.