608 DYEING AND CALICO PRINTING.
No. 31. Dark Grey .—
Gum-water . 4 gals.
Lilac standard, No. 26 2 ,,
Yellow prussiate. 4 lbs.
Hot water . 1 gal.
No. 32. Lavender .—
Lavender liquor, No. 12 4 gals.
Blue standard, No. 6. 4 ,,
Gum-water (according to shade) .24 to 48 gals.
No. 33. Lilac (Dark ).—
Pink standard (see below). 6 gals.
Purple standard (see below) . 2 ,,
Gum-substitute .20 lbs.
No. 34. Lilac (Light ).—
Pink standard . 6 gals.
Purple standard . 2 ,,
Gum-water . 6 ,,
No. 35. Pink Standard .—
Cochineal liquor, at 6° Tw. 4 gals.
Alum . 2 lbs.
Cream of tartar. 2 „
Oxalic acid .. . . » lb.
This mixture, thickened with 4 gals, of thick gum Senegal water, forms a pinksteam-colour. The proportions of alum, cream of tartar, and oxalic acid usedby different printers vary considerably, some putting, to the above quantity ofcochineal liquor, only i£ lbs. alum, 12 ozs. cream of tartar, and 4 ozs. ofoxalic acid, whilst others employ intermediate quantities.
No. 36. Purple Standard.
Logwood liquor, at 12* Tw.. 2 gals.
Alum '... . 12 ozs.
Red prussiate . 8 ,,
Oxalic acid. 4 ,,
This quantity, mixed with 8 gals, gum substitute water, forms a good cylindercolour. If wanted for block-printing, 12 gallons of gum-water are required.Here, also, the amount of salts and acids varies in different establishments.In some receipts, to 2 gals, of logwood liquor, 1 lb. of red prussiate, i£ lbs.alum', 2 ozs. of oxalic acid, and 4 ozs. of oxalate of potash are used.
No, 37. Pink (Sapan Wood ).—
Sapan liquor, at 3 0 Tw. 2 gals.
Pink salt . 2 lbs.
Sal-ammoniac . 1 lb.
Oxalic acid .. .•. 2 ozs.
Sulphate of copper. 2 „
Gum-water (thick) . 2 gals.