This publication is a summary of the investigations conducted between early summer 1942
and June 1944, when the attempt at large scale experimental production of kok-saghyz was …

No other book on natural rubber covers such a broad spectrum of subjects as this unique
publication. Subjects related to the biology, cultivation and technology of natural rubber are …

In the early days of the rubber industry, a good many varieties of so-called “rubber'obtained
from widely different plants, shrubs and trees were used but, as the industry developed, the …

A tree gum used by natives to make bouncing balls caught the attention of the first European
visitors to the New World. They took samples of this gum back to Europe, where the English …

After an introductory chapter largely taken up with questions of definition, chapter 2 is
devoted to an historical account of the use of various plant species for rubber production; of …

This property of elasticity stems from the fact that all rubbers are composed of long. flexible
molecules ('linear high polymers'). As prepared. either by nature (natural rubber) or by man …

This is an interesting book for botanists, but it is of limited practical value to horticulturists,
whether engaged in planting, research or advisory work. The present world production of …

THE determination of the true rubber content of both raw and manufactured rubber has been
the subject of extensive investigation. Search has failedto reveal any corresponding record …