DISCHARGES ON TURKEY-REDS. 597

No. 11 a. Blue. —

Water . 1 gal.

Tragacanth mucilage . 1 ,,

Citric acid . 3 lbs.

Tartaric acid. 2i ,,

Oxalic acid . ij ,,

Boil well together, and add to the mixture when cold—

Prussian blue paste, in bichloride of tin. 1 lb. 11 ozs.

No. 12. Yellow Discharge [Block). —■

Lime-juice, at 50“ Tw. 1 gal.

Tartaric acid. 4 lbs.

Nitrate of lead. 4 ,,

When dissolved add—

China clay . 6 lbs.

Gum Senegal. 3 »

No. 13. Yellow Discharge (Machine). —As No. 12, but instead of Chinaclay and gum thicken with i£ lbs. starch.

No. 14. Yellow Discharge (Machine). —

Lime-juice, at 40° Tw. 1 gal.

Tartaric acid. 4i lbs.

White sugar of lead . 5 n

Starch .'. ] i »

Boil, and add when cool—

Nitric acid, at 60° Tw. 1 lb. 14 ozs.

No. 15. Yellow (Machine). —

Water . 2 gals.

Starch . 3 lbs.

Boil, and add—

Nitrate of lead . 5 lbs.

Tartaric acid. *5 >>

No. 16. Yellow (Machine). —

Lime-juice, at 18 0 Tw. 2 gals.

Nitrate of lead . 8 lbs.

Tartaric acid. 5 >>

Gum substitute . 6 ,,

No. 16 a. Yellow. —

Pipe-clay. 10 lbs.

Light brown starch . 3

Water . s g a l-

Boil up and incorporate thoroughly; then add—

Tartaric acid. 8 lbs.

Citric acid . 2 »

When cold add—

Gum water. i gal-

Nitrate of lead . 8 lbs.

Dissolved in—

Boiling water. 3 quarts.