\\M0BASL30;\M1BASI30;\M2BASB30;\M3NGR40;\F0
\C846 Lathrop Drive

\CStanford, California 94305

\C6 December 1974


\F3\CINVOICE



\F0Mr. Eugene T. Mueller
Contracts Adminstration
Xerox Corp.
Xerox Square
Rochester, N.Y. 14644

your purchase order: 9850066A




Consulting services at Xerox Palo Alto Research Laboratories


3 days consulting at $400 per day					$1200.00

There were no expenses in connection with this work.





							John McCarthy

Please send the check to the above address.