首页 / 官方藏书 / 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 / CHAPTER XV. THE HEKTOGRAPH.

CHAPTER XV. THE HEKTOGRAPH.

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 Sloane · 第 19 / 24 章