The ever increasing number of rubber chemicals that are being introduced has led to an increasing rate of depletion of the first edition of Dr. J. van Alphen's book which so usefully provided chemical names, trade names and the names of suppliers of a very large number of commonly used rubber additives. The need for a revised edition of this valuable book, original edited by "Rubber-Stichting" in 1956 was recognized by Shell International Chemical Company who was ready and willing to sponsor the necessary work to update and extend the contents of the book, preparations of which - following...