A good can varnish is made by dissolving 15 parts of shellac, and adding thereto 2 parts of Venice turpentine, 8 parts of sandarac, and 75 parts of spirits.
A varnish for tin and other small metal boxes is made of 75 parts alcohol, which dissolves 15 parts of shellac, and 3 parts of turpentine.
Sealing Wax.—For modeling purposes. White [p. 177] wax, 20 parts; turpentine, 5 parts; sesame oil, 2 parts; vermilion, 2 parts.
Ordinary Sealing. 4 pounds of shellac, 1 pound Venice turpentine, add 3 pounds of vermilion. Unite by heat.
CHAPTER XVI[ToC]
HANDY TABLES
TABLE OF WEIGHTS FOR ROUND AND SQUARE STEEL.
The Estimate is on the basis of Lineal Feet. 1 cu. ft. of Steel—490 lbs.