It is to be remembered that Faust was a member of a family of goldsmiths, and that in their business, punches, dies, and moulds, would be in frequent use. And although the goldsmith’s art, as all other arts then were, would be conducted as a mystery, to which none but the regularly initiated had access, Schœffer, in the opportunities for intimacy with Faust which his position afforded him, could hardly fail, sooner or later, to observe such appliances. These once observed,--and opportunities for observation, in his capacity of illuminator (an art in which gold and silver were sometimes largely used) would not be wanting, especially when eagerly watched and waited for,--he would not rest until he had ascertained the uses to which they were put; and that information gained, the practical application would quickly follow. The punches he needed were ready to his hand. Each letter then in use, made of hard cut metal,[71] was, in fact, a punch. To strike a matrix in a softer metal, or in clay or plaster, which could be subsequently hardened, and to adapt a mould to cast a type with a shank or body of uniform height and accurately squared, were the two steps that were required. The mould would be his chief difficulty. This he had to devise so that it could be adjusted to the varying widths of the different letters and characters required for a complete fount[72] of types; and this could scarcely be effected otherwise than by making it in corresponding halves, with a provision for leaving in their centre, when closed together, a small quadrangular channel or chamber, made of hard metal, the width of which could be regulated by a slide and screw. The stamped part of the matrix placed at the end of this channel, would form the bottom of the mould; and when this was fixed, it would be ready for the pouring in of the fused metal, which setting almost instantly, a quick and slight opening of the halves of the mould, enabled the operator to shake out the cast type. The type-founder could thus rapidly repeat the process until he had cast as many letters as he required. A little careful trimming and dressing was all that was further needed on his part before he handed them over to the printer ready for use. No doubt it required much thought, and many experiments, before the mould was finished to the satisfaction of its inventor. But as soon as it was completed, the Type-founder’s art commenced. From the foregoing considerations it becomes apparent that as Faust found money to enable Gutenberg fully to realise his ideas as to Letter-press printing, so in all likelihood did the business which was the source of Faust’s wealth, furnish to Schœffer the clue which enabled him to complete the invention, without which Typography could never have achieved the results that were effected by it with such marvellous rapidity within the lifetime of those by whom it was invented.