The cabinet-maker and upholsterer's guide : being a complete drawing book, in which will be comprised treatises on geometry and perspective as applicable to the above branches of mechanics ... illustrated by ... numerous engravings to which is added, a complete series of new and original designs for household furniture, and interior decoration beautifully and correctly coloured ... (1826)
Smith, George, 1808-1899 · London : Jones and Co. · leaf 224
should be lightly sketched in. As a great degree of fluency in this department, depends on the wrist, the Author would recommend the following system. Let a common slate be made use of as a drawing board, on which with a piece of prepared pipe clay inserted in a port crayon (sold at all colour… … also with which the crayon of pipe clay will pass over the slate, will intui- tively and imperceptibly give a freedom to his hand ; and of this he can only be convinced by the trial. We shall now commence with the series of exam- ples given in this treatise.