%% 
%%  Ein Beispiel der DANTE-Edition
%%  
%%  7. Auflage
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%%  Beispiel 13-02-8 auf Seite 171.
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%%  Copyright (C) 2016 Herbert Voss
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 
%% 
%% ==== 
% Show page(s) 1
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%% 
\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{352.81416pt}
%StartShownPreambleCommands
\usepackage{pstricks}
%StopShownPreambleCommands
\begin{document}
\psset{xunit=0.55cm}
\begin{pspicture}[showgrid](0,-5mm)(25,1)
  \psforeach{\nA}{0, 2.14,..,25}{%
    \psline(\nA,0)(\nA,1)}
\end{pspicture}
\end{document}