-Mortars, Paints and Glues. 71 



Cement and Mortar, continued. 



SEALING CEMENTS. Beeswax, i Ib. ; resin, 5 Ibs. Stir 

 in sufficient red ochre and Brunswick green, or lamp 

 black, to give the desired color. 



2. Black pitch, 6 Ibs ; ivory black and whiting, of each, 

 i Ib. Less attractive than the former. 



These are used for sealing up bottles, barrels, etc. 



MORTAR FOR HEAVY RUBBLE WORK or BRICK WORK. 

 i part of slaked lime, 2 parts of sand and y part of black- 

 smith's ashes ; for brick work i part of lime, i of sand 

 and i of blacksmith's ashes. 

 2. Concrete , etc , for Floors, Borders and Walks. 



GROUT FLOOR. i. To secure a good grout or cement 

 floor, make a good foundation of small stones or brick- 

 bats, and cover three Ox four inches thick with a thin 

 mortar, made of 2 parts sharp sand and i part water lime, 



2. Fresh powdered lime, 2 parts ; Portland cement, i 

 part ; gravel, broken stone, or brick, 6 parts. Mix with 

 water to a liquid consistency, and let it be thrown forci- 

 bly, or dropped, into its position. It should be well 

 beaten or rammed to render it solid. 



3. Equal parts of gravel, well screened, and clean river 

 or pit sand. With 5 parts of the sand and gravel, mix i 

 part of Portland cement. Mix with water, and apply i 

 in. thick. 



FOR GARDEN BORDERS. Nine parts gravel and i part 

 unslaked lime ; slake the lime and cover it with the gravel, 

 then add water sufficient to make a very thin mortar. 

 Apply 3 in. deep ; allow it to stiffen a little, then roll. 

 Finish with an inch thick of i part lime and 3 parts 

 gravel. Apply soft. 



FOR WALKS. Walks should always have a well-made 

 foundation of stones or brick-bats to give hardness and 

 insure drainage. The top of the walk may be made 

 of gravel, sifted coal ashes, cinders from foundries, fur- 

 naces, etc. If gravel is used, care should be exercised to 



