Cements, Mortars, Pamts and Glues. 75 



Faints and Protective Compounds, continued. 



2. 2 qts. skim-milk, 8 ozs. of fresh slaked lime, 6 ozs. of 

 boiled linseed oil and 2 oz. of white pitch, dissolved in the 

 oil \)y a gentle heat. The lime must be slaked in cold water 

 and dried in the air until it falls into a fine powder ; then 

 mix with % part of the milk, adding the mixed oil and pitch 

 by degrees ; add the remainder of the milk. Lastly, add 3 

 lbs. of the best whiting and mix the whole thoroughly. 



3. Slake }4 bu. of lime in boiling water, keeping it covered ; 

 strain and add brine made by dissohing 1 pk. of salt in 

 warm water, and 3 lbs. rice flour, then boil to a paste ; add 

 Xlb. whiting and 1 lb. of glue dissolved in warm water. 

 Mix and let stand for a few days before using. 



Fire-proof Paint.— In a covered vessel slake the best 

 quick-lime, then add a mixture of skim-milk and water, and 

 mix to the consistency of cream ; then add 20 lbs. of alum, 

 15 lbs. of potash and 1 bu. of salt to every 100 gals, of the 

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

 plaster of Paris. 



Fob Damp Walls.— 1. ^Ib. of hard soap to 1 gal. of 

 water. Lay over the bricks steadily and carefully with a 

 ^at brush, so as not to form a froth or lather on the surface. 

 After 24 hrs. mix 3^1b. of alum with 4 gals, of water ; let it 

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

 coating of soap. Apply in dry weather. 



2. 13^ lbs. resin, 1 lb. tallow, 1 qt. linseed oil. Melt to- 

 gether and apply hot, tAvo coats. 



Paixt for Shading Greenhouse Roofs.— Make a paint of 

 ordinary consistency of white lead and naphtha. It is re- 

 moved from the glass by the use of a scrubbing-brush. Make 

 ft thin or it is hard to remove. 



Ordinary lime whitewash is good for temporary use. If 

 salt is added, it adheres better. 



Water-proofing Paints— For leather. -1. % lb. of shel- 

 lac, broken into small pieces in a quart bottle ; cover with 

 methylated spirit, cork it tight, put it on a shelf in a warm 

 place, and shake it well several times a day ; then add a 

 piece of camphor as large as a hen's Qgg ; shake again and 

 add 1 oz. of lamp-black. Apply with a small paint-brush. 



2. Put into an earthen jar i^lb. of beeswax, 3^pt. of 

 neatsfoot oil, 3 or 4 tablespoonfuls of lamp-black, and a 



