Cement, Beale’s. Chalk, 60 parts; lime and salt, of each 20 parts; Barnsey sand, 10 parts; iron filings or dust, and blue or red clay, of each 5 parts; grind together and calcine. Patented as a fire-proof cement.
Cement, Boil′er. Prep. Dried clay in powder, 6 lbs.; iron filings, 1 lb. Make into a paste with boiled linseed oil. Used to stop cracks and leaks in iron boilers, stoves, &c. See Cement, Iron, Steam-boiler c.
Cement, Bot′any Bay. Yellow gum (Botany Bay gum) and brickdust, equal parts, melted together. Used to cement coarse earthenware, &c.
Cement, Bot′tle. Prep. 1. Resin, 1 lb.; tallow or suet, 1⁄4 lb.; melt together, and stir in the colouring matter.
2. Resin, 5 lbs.; beeswax, 1 lb.; colouring, q. s.; as last.
3. (Red.) To each pound of the above add whiting (dry), 3 oz., and light red (burnt ochre), 4 oz.; or red bole, q. s. (all in fine powder).
4. (Black.)—a. To each pound of No. 1, or No. 2, add ivory black (bone black), q. s.
b. From black pitch, 6 lbs.; ivory black and whiting of each, 1 lb.; melted together. Used in the same way as common sealing-wax for bottle corks, cask bungs, &c. See Cement, Maissiat’s.
Cement, Brim′stone. Melted brimstone, either alone, or mixed with resin and brickdust. Cheap and useful.
Cement, Bru′yere’s. Clay, 3 parts; slaked lime, 1 part; mix and expose them to a full red heat for 3 hours, then grind to powder. Recommended as an hydraulic cement.