164

DYKING AND CALICO PRINTING.

Dark Blue.

We subjoin specimens of printed cloth, light and dark blue styles, preparedby Messrs. Wood and Wright, Clayton Vale Print Works, Manchester. Thedark blue is obtained by printing on the following compound :—

4 gallons of water ;

8 lbs. starch ;

3 lbs. sal-ammoniac ;g lbs. yellow prussiate of potash ;

1 lb. red „ ,,

6 lbs. tartaric acid ;

3 lbs. persulphate potash ;

} lb. oxalic acid ;

2 gallons prussiate tin pulp.

Lioht Blue.