1892. | NEW YORK ACADEMY OF SCIENCES. 
Boil for 14 hours; take out, wash, and dye in a bath of 
Wood : : : : : | -1.0'ems. 
Water, dist. . ; . 1.5 litres. 
Boil for 1 hour with frequent agitation ; take out and wash. 
Red-wood same way, but use 8. "0 gms. of wood. 
No. 10162. 
Boil in a bath of 
Wredad: (2, . 6.000 gms, 
for 1 hour, then wash and sadden in the alumina bath 
Al,(SO,), : : : : . 1.000 gms. 
Boil for 1 hour. 
No. 10161. 
Boil in CuSO, for 14 hours 
Cuso, : . 0.800 gm. 
Take out, wash, and dye i ina ‘separate bath 
Wood. “ : : : . 6.00 gms. 
Boil for 14 hours. 
PEACH-WOOD. 
No. 1 (10150, 10151) K,Cr,O,. 
pOr.O, 3: . 0.300 gm. 
Boil for 14 ‘hours ; take out, wash, and dye i in a separate bath 
Wood ‘ ; é : : . 4.000 gms. 
No. 2. Same as No. 1, using 
Wood - 6.000 gms. 
No. 1. Al,(SO,),. 
Al,(SO,), ; : P s . 06.400 gm. 
ECO . ‘ 0.200 << 
Boil 14 hours ; take out and wash ; dye i in a separate bath 
Wood. : : : : . 4.000 gms. 
No. 2. Same as No. 1, using 
Wood : : , - ‘ - 6.000 gms. 
No. eae 10156, 10157, Al, Sn, and Tartar. 
Al,(SO,), : . 0.600 gm. 
SnCl, i : : , ; OL OOF 
Tartar 3 ‘ : . steal | TS 0) A 
(1) 40 per cent. of wood. 
(2) 60 ‘e “c “c 
(3) 20 “ec “cc “ce 
No. 3 (10155) Al. 
Boil in a bath of 
Wood ; : : I , . 6.000 gms. 
Chalk ™ : : : ; . 0.600 gm. 
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