T. O'Conor (Thomas O'Conor) Sloane
Rubber Hand Stamps and the Manipulation of Rubber A practical treatise on the manufacture of India rubber hand stamps, small articles of India rubber, the hektograph, special inks, cements, and allied subjects
T. O'Conor (Thomas O'Conor) Sloane · 2021
ספרייה ציבורית, Project Gutenberg. בלי הרשמה.
RubberHand stamps