Rubber hand stamps AND THE Manipulation of Rubber
Reading edition
A PRACTICAL TREATISE ON THE MANUFACTURE OF INDIA RUBBER HAND STAMPS, SMALL ARTICLES OF INDIA RUBBER, THE HEKTOGRAPH, SPECIAL INKS, CEMENTS, AND ALLIED SUBJECTS
BY T. O’CONOR SLOANE, A.M., E.M., Ph.D.
Author of “Home Experiments in Science,” “Arithmetic of Electricity,” etc.
FULLY ILLUSTRATED
NEW YORK NORMAN W. HENLEY & CO. 150 NASSAU STREET 1891
Copyright, 1890, by NORMAN W. HENLEY & CO.