170 TRANSACTIONS OF THE [jUNE C, 



Yellow.— ^0. 2 (10171, 10172) (single bath). 



A1,(S0J3 0.4 gm. 



HjCjO^ . . . . . . 0.2 " 



Wood 2-4 gms. 



Dye 1-U hours at 80°-100° C. 



The addition of Tartar deepens, but dulls the color. 



Yellow.— 1^0. 3 (10173, 10174, 10175). 



A],(S0,)3 0.8 gm. 



Mordant 1-H hours at 100° C. and wash; dye-bath, 2-4 gms. 

 Wood ; worlc in"this for i-| hour at 80°-90° C. 



B}" using 0.2-0.3 gm. SnCl2 crystals with the alum, much brighter 

 colors can be obtained. (See No. 4.) 



Yellow.— ^o. 4 (10176, 10177, 10178). 



AUSOJ3 0.8 gm. 



SnCl, 0.3 " 



Enter into bath at 50° C, heat gradually to 100° for 1-1^ hours, 

 and dye as in No. 3. 



Yellow.— ^0. 5 (10179, 10180). 



SnCl, 0.8 gra. 



Tartar . . . . '. . 0.8 " 

 Treat 1-H hours at 100° C, wash, and dye in a bath of 



Wood 3-4 gms. 



treating 30-40 minutes at 80°-100° C. 



O' 



Yellow.— ^o. 6 (10181) (single bath). 



Wood 4.00 gms. 



SnCl^ 0.8 gm. 



Tartar 0.4 " 



Oxalic Acid 0.2 " 



Avoid prolonged dyeing, especially at 100° C, as the tannin 

 injures the colors; to avoid this trouble use solution of glue to ex- 

 tent of 4-8 per cent, of the dye-wood. 



Olives.— ^0. 7 (10182) (single bath), 



CuSO, 0.6 gm. 



Tartar 0.4 " 



Wood 4.0 " 



Or omit Tartar. 



No. 8 (10183). 



Mordant and dye, using same bath. 



No. 9 (10184, 10185). 



FeSO^ 0.8 gm. 



Tartar 0.3 " 



Mordant and dye. 



