If the distance from London is too great for a pupil to come to town, the “roughed” Cameo can be sent to Signor Giovanni by post. He then makes a mould, and produces a cast; this he corrects and returns, so that the pupil can alter and improve the Cameo without the intervention of a foreign hand. In order to produce a Mould from which to take casts, first lightly oil the surface of the Cameo, place around a cardboard funnel, which can be held in place by an indiarubber band. The plaster of Paris used must be “extra fine;” that most suitable is called “Scagliola,” and may |