ÿþ<HTML> <HEAD> <TITLE>MANEFF</TITLE> </HEAD> <BODY> <BODY BGCOLOR="#999999"> <FONT SIZE="6" FACE="ARIAL" COLOR="#CCFFCC"> <LINK="#CCFFCC"> <VLINK="#00BB33"> <ALINK="#00CCFF"> <B> <CENTER> A R T I C L E<P> <FONT SIZE="5"> BY PROFESSOR GEORGES IVANOFF MANEFF<P> <FONT SIZE "4"> LA GRAVITATION ET LE PRINCIPE DE L'ÉGALITÉ DE L'ACTION ET DE LA RÉACTION<P> Comptes Rendus, 1924, t. 178<P> </B><FONT SIZE="2"> <I> <P ALIGN="RIGHT"><A HREF="GM01-page61.html">Bulgarian</A><P> </I><CENTER> <IMG SRC="gm11-611.jpg" WIDTH=730 HEIGHT=969 ALT="gm11-611"><P> <IMG SRC="gm11-612.jpg" WIDTH=730 HEIGHT=1057 ALT="gm11-612"><P> <IMG SRC="gm11-613.jpg" WIDTH=730 HEIGHT=1093 ALT="gm11-613"><P> <CENTER> <P ALIGN="LEFT"><BR><A HREF="GM11-page6.html">Back</A> </FONT> </BODY> </HTML>