”Now, having read the solution, look at the two drawings again and you will suddenly notice how poor my version is, how faulty the construction, how harsh the modelling, and all sorts of ghastly errors which escaped you notice before. But what if I should now tell you that the answer at the bottom of the page is wrong? Perhaps you had better look up the Fogg drawing after all. Should you happen to have a copy of Paul J. Sachs’ Modern Prints and Drawings (Alfred A. Knopf), not date (circa 1959), you will find it reproduced in full on plate 18 with the following caption”: