heat again and stir. Keep in a tightly stoppered bottle, 

 and when used set in boiling water. 

 SEALING CEMENTS. 



16. Beeswax, 1 pound ; resin, 5 pounds. Stir in sufficient 

 red ochre and Brunswick green, or lampblack, to give the 

 desired color. 



17. Black pitch, 6 pounds ; ivory-black and whiting, of 

 each, 1 pound. Less attractive than the former. 



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

 MORTAR FOR HEAVY BUBBLE- WORK OR BRICKWORK. 



18. 1 part of slaked lime, 2 parts of sand, and 1 part of 

 blacksmith's ashes ; for brickwork, 1 part of lime, 1 of 

 sand, and 1 of blacksmith's ashes. 



2. Approximate Estimates of Ma son- Work. 



3 \ barrels of lime are required to cover 100 square yards 

 plastering, two coats. 



2 barrels of lime will cover 100 square yards plastering, 

 one coat. 



1 bushels of hair are needed for 100 square yards plas- 

 tering. 



1 yards good sand are required for 100 square yards 

 plastering. 



| barrel of plaster (stucco) will hard-finish 100 square 

 yards plastering. 



1 barrel of best lime will lay 1000 bricks. 



2 barrels of lime will lay one cord rubble-stone. 



^ barrel of lime will lay 1 perch rubble-stone. (Estimat- 

 ing \ cord to perch.) 



To every barrel of lime estimate about f cubic yard of 

 good sand for plastering and brickwork. 



3. Concrete, etc., for floors, borders, and walks. 

 GROUT FLOOR. 



1. To secure a good grout or cement floor, make a good 

 foundation of small stones or brickbats and cover 3 or 4 

 inches thick with a thin mortar, made of 2 parts sharp sand 

 and 1 part water-lime. 



2. Fresh powdered lime, 2 parts ; Portland cement, 1 



