\begin{slide}{}
{\Large III. \underline{History \& Description}}\\
{\Large \underline{of the Apparatus}}
\begin{enumerate}
\item Location in Phase Space (See Figure)
\vspace{.75in}
\item Location in Space (See Figure)
\vspace{.75in}
\item Location in Time (See Figure)
\vspace{.75in}
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\item The Apparatus(Downstream):
\begin{enumerate}
\item 24 MWPC Planes 30 cm x 30 cm,\\
24 x 128 = 3072 wires
\vspace{.25in}
\item Movable Pb Converter After 8th MWPC\\
 Pb: $1 X_{0}$, $0.5 X_{0}$, $2X_{0}$; Fe: $1X_{0}$
\vspace{.25in}
\item  28-Module, Pb-Scintillator\\
EM Calorimeter After the MWPC's
\vspace{.25in}
\item  7-Channel, Trigger Scintillator\\
within MWPC Telescope
\vspace{.25in}
\item  Two VAX 3100's for DAQ
\end{enumerate}
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\item The Apparatus(Upstream):
\begin{enumerate}   
\item  8-Channel Scintillator Hodoscope\\
Upstream for Beam-Beam Trigger\\ 
($\bar{p}$ Counters)   
 
\item  Upstream Counters: 
\begin{itemize}
\item Two 10 cm x 10 cm x 100 kg Hadron Calorimeter Modules\\
25m Upstream for Leading-$\bar{p}$\\
($x_{F} \simeq 0.5$)\\
and Leading-$\bar{n}$ 
\item 4 Scintillators Set Against\\
the Beampipe 60 m Upstream\\
for Leading-$\bar{p}$ ($x_{F} \simeq 0.9$) Tags
\end{itemize}
\end{enumerate}

\end{enumerate}


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