How to amuse yourself and others : the American girl's handy book (1887)
Beard, Lina, Beard, Adelia B. (Adelia Belle), 1857-1920 · New York : Charles Scribner's Sons · leaf 282
or, obtaining a pro-file view, a likenessof one of the group may be done in bas-relief. If a slate isused to work on, it will make a good foundation, and the headcan first be drawn on it in outline and the wax built over it,using the drawing as a guide. The slate is smooth and firm,and it is a good… … Bas-relief Head in Wax.