\input fontinst.sty

\needsfontinstversion{1.317}

% Some math fonts built from Helvetica and Lucida

\installfonts
   \installfamily{OML}{phvluc}{\skewchar\font=127}
\transformfont{phvro8r}{\reencodefont{8r}{\fromafm{phvro8a}}}
\transformfont{phvbo8r}{\reencodefont{8r}{\fromafm{phvbo8a}}}
   \installfont{phvlucrm}
      {kernoff,hlcrima scaled 1000,kernoff,unsetluc,phvro8r,lmathit,lhax}
      {LOML}{OML}{phvluc}{m}{it}{}
   \installfont{phvlucbf}
      {kernoff,hlcdima scaled 1000,kernon,unsetluc,phvbo8r,lmathit,lhax}
      {LOML}{OML}{phvluc}{b}{it}{}
 \endinstallfonts

\bye