170 TRANSACTIONS OF THE [JUNE 6, 
Yellow.—-No. 2 eC te pee in sa 
Al,(SO,), : 0.4 gm. 
HCO): : ers gr : => MORDtae 
Wood. A : . 2-4 gms. 
Dye 1-14 hours at 80°-100° C. 
The addition of Tartar deepens, but dulls the color. 
Yellow.—No. 3 (10173, 10174, 10175). 
Al,(SO,), : ... 0.32gm: 
Mordant 1-14 hours at 100° ©. and wash ; dye-bath, 2-4 gms. 
Wood; work in “this for 3-3? hour at 80°-90° 0. 
By using 0.2-0.3 gm. SnCl, crystals with the alum, much brighter 
colors can be obtained. (See No. 4.) 
Yellow.—No. 4 yore 10177, ceonley 
Al,(SO,), - : «. , 0.8: mms 
SnCl, : 3, . Ota 
Enter into bath at 50° ©. , heat gr adually to 100° for 1-15 hours, — 
and dye as in No. 3. 
Yellow.—No. 5 (10179, Amita 
SnCl, : : : . 0.8 gm. 
Tartar. . oe: OLSRE 
Treat 1-14 hours at 100° C., wash, and dye i in a bath of 
Wood : . 8-4 gms. 
treating 30-40 minutes at 80°-100° ©. 
Yellow.—No. 6 (10181) feingle aie 
Wood)» 5 4.00 ts 
SnCl, : , ys EN |B asl 
Tartar. 3 : : . ht) Os. Me 
Oxalic Acid. 0:2. ae 
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.—No. 7 (10182) (single bath). 
CuSO 
miaes : : - : . 0.6 gm. 
Tartar ~ 7. 3 : : 4 eran 
Wood y 5 z : 4 Pe: a) 
Or omit Tartar. 
No. 8 (10183). 
Mordant and dye, using same bath. 
No. 9 (10184, 10185). 
BesOe 
Tartar 
Mordant and dye. 
gm. 
Se 
oo CO 
il te ee lee fl Ber ew pall 
