36. Give a sketch of the development of the process of electrotyping, naming five principal inventions with dates.
37. What was the greatest single step in advance, and when, where, and by whom was it made?
38. Where did the first American presses come from?
39. How soon were presses made in America, and what were they like?
40. Who was the best known American press builder before 1800, and what improvement did he make?
41. Who invented the iron press, and when?
42. Who invented the Columbian hand press?
43. What demand soon arose, and how was it met?
44. Who invented the Washington hand press and when?
45. What was the first attempt to use power in press operation?