[A] Or, more accurately, appears to be so, because any one can see an error in a circle.
[B] If the student is fond of architecture, and wishes to know more of perspective than he can learn in this rough way, Mr. Runciman (of 49 Acacia Road, St. John's Wood), who was my first drawing-master, and to whom I owe many happy hours, can teach it him quickly, easily, and rightly. [Mr. Runciman has died since this was written: Mr. Ward's present address is Bedford Chambers, 28 Southampton Street, Strand, London, W.C.]