Practical Hints On Electrotype Manipulation, Part 1 : Kessinger Publishing : 9781166921521 : 1166921522 : 10 Sep 2010 : ""Practical Hints On Electrotype Manipulation, Part 1: And The Art Of Molding In Plaster, Fusible Metal, Wax, Gutta Percha, Etc."" is a book written by John Brent Hockin in 1853. This book is a comprehensive guide to the electrotype manipulation process and the art of molding in various materials such as plaster, fusible metal, wax, gutta percha, and more. The book is divided into two parts, with the first part focusing on electrotype manipulation. The author provides practical tips and techniques for preparing and coating the original object, making the mold, and creating the electrotype. The book also includes information on the chemicals and equipment needed for the process.The second part of the book is dedicated to the art of molding in various materials. The author explains the different materials that can be used for molding and provides step-by-step instructio