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%%  A DANTE-Edition example
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%%  Example 02-20-2 on page 93.
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%%  Copyright (C) 2010 Herbert Voss
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%%  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.
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%%  See http://www.latex-project.org/lppl.txt for details.
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% Show page(s) 1
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\documentclass[]{article}
\pagestyle{empty}
\setlength\textwidth{201.70511pt}
\setlength\parindent{0pt}
\usepackage[english]{babel}
\usepackage[utf8]{inputenc}

\usepackage[para]{threeparttable}

\begin{document}
\begin{threeparttable} \caption{Different gas analyses.}
\begin{tabular}[t]{r|c|c|c}\hline
               & P1             & P2\tnote{A} & P3\\\hline
decrease in pressure    & 0.149 & 0.494 & 0.199 \\
winding        & 0.146          & 0.480 & 0.240 \\
heat extraction & 0.164\tnote{a} & 0.508 & 0.209 \\\hline
\end{tabular}
\begin{tablenotes}[flushleft]
  \item[A] uncertain measurement \item[a] disturbance during measurement
\end{tablenotes}
\end{threeparttable}
\end{document}
