§28. OF WHITE TRANSLUC1D GLASS. 41 



takes which have found favour in modern times, and, as some 

 few instances of it occur in old windows, it has been thought 

 to have the sanction of good authority. But those few 

 instances ought, on the contrary, to have shown its defor- 

 mity, and whether really original, or (as in some cases) 

 restorations made at the time when much colourless glass 

 came into fashion, they serve as beacons to be shunned. 



It is quite as necessary to know what to avoid, as what 

 to imitate. For it should be laid down as a rule, that no 

 glass should be white in a coloured glass window, except 

 when absolutely required as part of the composition ; and 

 wherever a simple space, or edging, is to be introduced, 

 without being of any positive hue, it should be of a neutral 

 tint, like the subdued greenish hue of partially bleached 

 glass. This neutral hue should also be rather deeper in 

 windows on the south, and even on the east and west sides of 

 a church, than on the north ; and additional depth may in 

 like manner be given to all the colours of windows on the 

 south, and also on the east and west, in consequence of the 

 greater quantity of bright light and sunshine passing through 

 them than through those on the north. 



When more warmth and richness of effect are required, the 

 lighter borders may have a greater quantity of yellow ; provided 

 always that too much yellow be not used, so as to exceed its 

 due proportion to the blue and red ; and it is easy to perceive 

 the marked difference that subsists between a window where 

 transparent, or translucid, white glass is used in such 

 borders, and where yellow is permitted to impart warmth to 

 them ; the effect of the one abounding in white glass being 

 poor and cold. Windows too in which figures or any coloured 

 pattern are introduced upon a white, or even on a good 

 diaper, ground have an insignificant character; they often 

 appear as if made up of stray parts of some other composi- 

 tion, and are only excusable where much light is required. 



