164 TRANSACTIONS OF THE [JUNE 6, 
No. 10138. 
uSO, . 0.800 gm. 
Boil for 14 hours ; take out, wash, ‘and dye i in a bath of 
Wood . : : : ‘ . 5.000 gms. 
Chalk. c : : : . 0.800 gm. 
Boil for 1 hour. 
Nore.—To mordant wool efficiently with Aluminium Sulph., pre- 
pare the following solution :— 
: d : : : 1000.00 gms. 
Al,(SO,), ; : : é <*, SOUR 
Tartar : -- pn OU 
Immerse the wool in the cold solution ; raise the temperature 
gradually to the boiling-point in the course of 1-1} hours; continue 
boiling $ hour longer, then wash well. 
CocHINEAL. 
Reddish-purple.—No. 1 (10065). 
CusO, . ac) -@  1.00.e08 
Boil ? hour; take out and soni sei 
Cochineal : : : ‘ «does 
in separate bath. Boil 1 hour. 
Purplish slate.—No. 2 Go: 
Reso, ~~ 5 ; : 7 0.3¥.eme 
Partather : . 2.00 gms. 
Boil 2 hour; take out, wash, ‘dye i in separate bath for 1 hour at 
100° C. 
Cochineal ; : : : :). £2 seme: 
Purple.—No. 8 (10064). 
SOO ain. < - : . --) O03 me 
K,C,0, : : ; 740-4 
Cochineal : : : 1.2 gms. 
Enter flannel at 50° C.; raise to boil; boil 1 hour. 
Cochineal Spirits.—No. 1 (10050). 
HCl : : : : ; 100 gms 
Site : : : : ae me 
Cochineal ; : 1.0 gm. 
Tartar  . ‘ : : : a OSD ees 
Spirits 15 gms. 
Boil 20 minutes, cool down; enter wool, boil 1 hour; soak over 
night. 
No. 10051. Same, using 0.5 dye, 0.3 Tartar, 0.8 ce. Spirits. 
