~~ ries 
ON THE ACTION OF LIGHT UPON DYED COLOURS, 367 
Ciass V. Very Fast Cotours. (WO0z.) 
The colours of this class show a very gradual fading during the 
different periods, and even after a year’s exposure a moderately good 
colour remains. 
Wool Book XVI. 
Mordant Colours, 
Mordant Colours. 
Mordant Colours. 
Wool Book XVII. 
Basic Colours, 1. 
7 3. 
Oxyketone Colours. 
Alizarin Cyanine G (Al) (Sn). Constitution not published. 
Alizarin Cyanine GR (Al) (Sn). Constitution not published. 
Alizarin Cyanine R (Al). Pentaoxy-anthraquinone. 8. and J. 
406. 
Alizarin Cyanine 2R (Al) (Sn) (Cu). Constitution not published. 
Alizarin Claret R (Cr). Constitution not published. 
Oxazine Colours. 
Gallocyanine DH (Cu). Dimethyl - phenyl-ammonium-dioxy - 
phenoxazine-carboxylic acid. §. and J. 418. 
Azo Colours. 
Chrome Bordeaux 6B (Cr). Constitution not published. 
}REY COLOURING MATTERS. 
Crass IT. Fuairive Conours. (Woo..) 
Safranine Colours. 
Methylene Grey P. Constitution not published. 
Methylene Grey (green shade). Constitution not published. 
Crass III. Moprrarery Fast CoLours. (WOoL.) 
Basic Colours, 
2, 
oe | 
Acid Colours, 
1 
” 3 
” 4 
Basic Colours. 2. 
Direct Cotton [{ 8 
Colours. { 9 
Basic Colours. 5, 
‘s 10. 
Direct Cotton 
Colours. 
2? 
ote 
Basic Colours. 4. 
Safranine Colowrs. 
. Methylene Grey O. Constitution not published. 
. New Methylene Grey G. Constitution not published. 
Induline Colours. 
. Aniline Grey B. Constitution not published. 
. Aniline Grey R. Constitution not published. 
. New Grey P. Constitution not published. 
New Fast Grey. Constitution not published. 
. Direct Grey I. Constitution not published. 
. Direct Grey R. Constitution not published. 
Oxazine Colours. 
Fast Grey R. Constitution not published. 
8. Fast Grey B. Constitution not published. 
Metamine Grey M. Constitution not published. 
Azo Colours. 
. Neutral Grey G. Constitution not published. 
. Benzo Grey § extra. Constitution not published, 
. Zambesi Grey B. Constitution not published. 
Crass IV. Fast Conours. (Woot.) 
Safranine Colowrs. 
New Methylene Grey B, Constitution not published. 
