CEMENTS, MORTARS, PAINTS, AND GLUES. 95 



solved in warm water. Mix and let stand for a few days 

 before using. 

 FIRE-PROOF PAINT. 



4. In a covered vessel slake the best quicklime, then 

 add a mixture of skim-milk and water, and mix to the con- 

 sistency of cream ; then add 20 pounds of alum, 15 pounds 

 of potash and 1 bushel of salt to every 100 gallons of the 

 liquid. If white paint is desired, add to the above 6 pounds 

 of plaster of Paris. 



FOR DAMP WALLS. 



5. f pounds of hard soap to 1 gallon of water. Lay over 

 the bricks steadily and carefully with a flat brush, so as 

 not to form a froth or lather on the surface. After 24 

 hours mix pound of alum with 4 gallons of water ; let it 

 stand 24 hours, and then apply it in the same manner over 

 the coating of soap. Apply in dry weather. 



6. 1 pounds resin, 1 pound tallow, 1 quart linseed oil. 

 Melt together and apply hot, two coats. 



WATER-PROOFING PAINTS. FOR LEATHER. 



7. | pound of shellac, broken into small pieces in a quart 

 bottle ; cover with methylated spirit (wood alcohol), cork it 

 tight, put it in a warm place, and shake well several times a 

 day ; then add a piece of camphor as large as a hen's egg ; 

 shake again and add 1 ounce of lampblack. Apply with 

 a small paint-brush. 



8. Put into an earthen jar pound of beeswax, \ pint of 

 neat's-foot oil, 3 or 4 tablespoonfuls of lampblack, and a 

 piece of camphor as large as a hen's egg. Melt over a slow 

 fire. Have both grease and leather warm and apply with 

 a brush. 



9. 1 pint of linseed oil, pound mutton suet, 6 ounces 

 of clean beeswax, and 4 ounces of resin ; melt and mix well. 

 Use while warm with a brush on new boots or shoes. 



FOR CLOTH FOR PITS AND FRAMES. 



10. Old pale linseed oil, 3 pints ; sugar of lead (acetate 

 of lead), 1 ounce ; white resin, 4 ounces. Grind the acetate 

 with a little of the oil, then add the rest and the resin. 



