_ The cushion is a leather bag filled with sand, in general about nine inches diameter; it was fornmcly used for laying the plate ... on paper, which is laid with the penci led side upon the wax, and the back rubbed gently with the burnisher, which will transfer the lead to the wax. ... an suflicient space must beleft between the lines to enable the artist to make those stronger, gradually, which require it. f anyanbsp;...
|Title||:||The Portable Encyclopædia; Or Dictionary of the Arts and Sciences, on the Basis of Dr. Gregory's, Etc|
|Author||:||James Mitchell, George GREGORY (D.D., Rector of West Ham, Essex.)|