Powdered chalk added to common glue strengthens it. A glue which will resist the action of water is made by boiling 1 lb. of glue in 2 qts of skimmed milk.

Cheap Waterproof Glue

Melt common glue with the smallest possible Quantity of water; add, by decrees, linseed oil, rendered drying by boiling it with litharge. While the oil is added, the ingredients must be well stirred, to incorporate them thoroughly.

Fire And Waterproof Glue

Mix a handful of quick-lime with 4 oz. of linseed oil; thoroughly lixiviate the mixture: boil it to a good thickness, and spread it on tin plates in the shade; it will become very hard, but can be dissolved over a fire, like common glue, and is then fit for use.

Prepared Liquid Glue

Take of best white glue, 16 oz.; white-lead, dry, 4 oz.; rain-water, 2 pts.; alcohol, 4 oz. With constant stirring, dissolve the glue and lead in the water, by means of a water-bath. Add the alcohol, and continue the heat for a few minutes. Lastly, pour into bottles, while it is still hot.

Prussian Blue

Take nitric acid, any quantity, and as much iron shavings from the lathe as the acid will dissolve; heat the iron as hot as it can be handled with the hand; then add to it the acid in small quantities as long as the acid will dissolve it; then slowly add double the quantity of soft water that there was of acid, and put in iron again as long as the acid will dissolve it. 2. Take prussiate of potash, dissolve it in hot water to make a strong solution, and make sufficient of it with the first to give the depth of tint desired, and the blue is made. Or:

Another Method

A very passable Prussian blue is made by taking sulphate of iron (copperas) and prussiate of potash, equal parts of each; and dissolving each separately in water, then mixing he two waters.

Chrome Yellow

1. Take sugar of lead and Paris white, of each 5 lbs.; dissolve them in hot water. 8. Take bi-chromate of potash, 6½ oz., and dissolve it in hot water also; each article to be dissolved separately; then mix all together, putting in the bi-chro-mate last. Let stand twenty-four hours.

Chrome Green

Take Paris white, 6½ lbs.; sugar of lead, and blue vitriol, of each, 3½ lbs.; alum, 10½ oz.; best soft Prussian blue and chrome yellow, of each, 3 1/3 lbs. Mix thoroughly while in fine powder, and add water, 1 gallon, stirring well and let stand three or four hours.

Green, Durable And Cheap

Take spruce yellow, and color it with a solution of chrome yellow and Prussian blue, until you give it the shade you wish.

Another Method

Blue vitriol, 5 lbs.; sugar of lead 6¼ lbs.; arsenic, 2½ lbs.; bi-chromate of potash, 1½ oz.; mix them thoroughly in line powder, and add water 3 parts, mixing well again, and let stand three or four hours.

Pea Brown

1. Take sulphate of copper any quantity, and dissolve it in hot water. 2. Take prussiate of potash, dissolve it in hot water to make a strong solution; mix of the two solutions, as in the blue, and the color is made.

Rose Pink

Brazil wood, 1 lb., and boil it for two hours, having 1 gallon of water at the end; then strain it, and boil alum, 1 lb., in the same water until dissolved; when sufficiently cool to admit the hand, add muriate of tin, ¾ oz. Now have Paris white, 12½ lbs.; moisten up to a salvy consistence, and when the first is cool stir them thoroughly together. Let stand twenty-four hours.

Patent Yellow

Common salt, 100 lbs. and litharge, 400 lbs., are ground together with water, and kept for some time in a gentle heat, water being added to supply the loss by evaporation; the carbonate of soda is then washed out with more water, and the white residuum heated till it acquires a fine yellow color.

Naples Yellow

No. 1. Metallic antimony, 12 lbs.; red load, 8 lbs.; oxide of zinc, 4 lbs. Mix; calcine, triturate well together. and rose in a crucible: the fused mass must be ground and elutriated to a line powder.

Cheap Yellow Paint

Whiting, 3 cwt.: ochre, 2 cwt.; ground white lead, 25 lbs. Factitious linseed oil to grind.

Stone Color Paint

Road dust, 2 cwt.; ground white lead, ½ cwt; whiting, 1 cwt.; ground umber, 14 lbs.; lime water, 6 gals. Factitious linseed oil to grind.

Glazier's Putty

Whiting, 70 lbs.; boiled oil, 30 lbs. water, 2 gals. Mix; if too thin, add more whiting; if too thick, add more off.