30. What was his contract of that year with Fust? 31. How did it work out? 32. What do we know of Gutenberg after 1455? 33. Give the main points of the Gutenberg legend. 34. What are the clear facts about early Mainz printing? 35. What are the three classes of historical evidence? 36. What can you say, with this distinction in mind, about the evidence concerning the invention of typography? 37. What evidence of the first class is there coming from Haarlem? 38. Why do we claim that this evidence comes from Haarlem? 39. Why did the printer use so many fonts of type for so few books? 40. What internal evidence is there for the date of these books? 41. What are the peculiarities of these books? 42. What do these peculiarities show? 43. What piece of evidence of the second class have we which bears on these books? 44. What pieces of evidence of the third class have we which bear on these books? 45. What does all this evidence seem to show as to who invented typography, where, and when? 46. What do the printed pieces attributed to Gutenberg show? 47. What does the Helmasperger document show? 48. What does the patent of Adolph II show? 49. What does Zell’s statement show? 50. What can you say of the early statements that Gutenberg invented typography? 51. Compare the results of the work of Coster and of Gutenberg. 52. How did the Haarlem invention get to Mainz? 53. What did Gutenberg really do? 54. What was the outcome of his work? 55. How does this theory explain the doubtful or conflicting evidence? 56. What can you say about Coster’s type? 57. How were the first types made? 58. What two important inventions in type-making do we owe to Gutenberg and his associates? 59. What can you tell about the first type faces? 60. Why are the early books so beautiful? 61. Describe Gutenberg’s press and the first improvements upon it. 62. What has the first period of about twenty-five years of typography been called, and why? TYPOGRAPHIC TECHNICAL SERIES FOR APPRENTICES The following list of publications, comprising the TYPOGRAPHIC TECHNICAL SERIES FOR APPRENTICES, has been prepared under the supervision of the Committee on Education of the United Typothetae of America for use in trade classes, in course of printing instruction, and by individuals. Each publication has been compiled by a competent author or group of authors, and carefully edited, the purpose being to provide the printers of the United States—employers, journeymen, and apprentices—with a comprehensive series of handy and inexpensive compendiums of reliable, up-to-date information upon the various branches and specialties of the printing craft, all arranged in orderly fashion for progressive study.