th 
68  Procefs for troducing Lights in Stained Drawings, 
tion until it will work freely with the pencil, and appear on 
the paper, when held between the eye: and the light, to be 
opaque. It is neceffary to obferve this, or the firft touches 
will not be fufficiently vifible, after being wafhed over with 
the colours, to afcertajn the places of the fecond. It is alfo 
neceffary to ufe a frame inftead of the drawing-board, or to 
pafte the paper on the frame of the drawing-board.fo as to 
remove the pannel; becaufe the firft and fecond touches 
muft be put on with the drawing placed between the eye’ 
and the light, as they will be sn vifible in that fituation, 
On this frame pafte the paper wet, fo as to dry firm: when 
quite dry, draw the outline, and proceed as follows :— 
1ft, With a fine fmall hair pencil, and the flopping mix- 
ture, cover thofe places where the clear whitenefs of the 
paper may be wanted, except in the fky: let it dry a few 
minutes; then wet the paper on both fides, and while it is 
wet wath the fky. The fhadows of the clouds, diftances, 
and general breadths of fhadow, muft be put in with the 
grey tint; and over the places of the light, wath the tints of 
iG brighteft light 5 thofe will be generally ‘yellow ochre of 
light red, 
“Phe light of the clouds may be co ved {harp by preffing 
on that part a piece of tiffue-paper previgus to the waging 
of the fky; this, by abforbing the fuperfluous moifture, will 
Prevent the eolour from fpreading farther than is defired, 
Suffer the whole to be very dry; and, 
adly, Touch jn with the ftopping mixture, the fharp and 
prominent parts of the brighteft lights; let them dry a few 
minutes, then wath over hati with the tjnts of the next 
degree of ijght, 
3dly, Stop with the mixture the fecond order of touches, 
and wafh aver them with the middle tints; ftrengthen alfo 
at the fame time the breadths of {hadow. — 
gthly, Stop, with broad touches of the mixture, the places 
of the middle tint ; uniting them to the former touches, and 
extending them fo as to graduate the middle colours into the 
fhadow : ftrengthen the fhadows, making them nearly as 
dark as they are intended to be, and let the whole be per= 
fectly dry. 
Then 
