TONING BROMIDE PRINTS 233 
IiJ. Ammonium carbonate 100 g 768 gr. 
Water 1000 ccm 16 oz. 
The tones are somewhat dependent on the make of paper, 
but the following will give a general idea of the tones obtain- 
able. Bleach in A; develop in equal parts of II and III, 
diluted with more or less water; rich purplish-brown tones 
are obtained. Bleach in equal parts A, B, C; develop in I; 
result, good blacks slightly wanting in depth. Bleach in B; 
develop in I; splendid velvety blue-blacks in the shadows, 
like carbon paper. Bleach in C; develop in 4 parts II, 6 
parts III and 2 parts water; distinct intense brown with pure 
whites. Bleach in C; develop in 1 part II, 1 part III, 1 part 
water; a good sepia, like sulphur toning. Bleach in C; 
develop in Z parts IJ, 1 part III and 2 parts water; result, a 
bright brown. 
