Cement For Cast-Iron Tanks

The following cement is recommended for repairing damaged places in cast-iron tanks, cisterns, etc.: Five parts brimstone, 2 parts black lead, and 2 parts of cast-iron filings, previously sifted. Melt together, taking care that the brimstone does not catch fire. The damaged place, perfectly dry, is well heated by laying a piece of red-hot iron upon it, and is then stopped with the cement previously heated in a melting ladle until it becomes soft.

Cement For Copper And Brass Pipe Parts

A cement for copper and brass parts of steam pipes is composed of:

10 parts Copper or Brass shavings (respectively),

1 part Sulphur.

1 part Gutta-percha.

2 parts Caoutchouc.

Cement For Defective Places In Castings

In order to repair a defect in a casting, heat the defective place, lay a piece of cement upon it, pressing same down with a hot iron. The following paste will be found valuable for this purpose: One part rosin, 1 part black pitch, melted in a crucible, and enough fine iron filings added for the formation of a stiff mass.

Cement For Fastening Hooks In Stone

A cement for fastening hooks, clamps, iron rods, etc., in stone is made as follows: Make a paste of 1 part of iron filings, 3 parts of plaster of paris and glue water.

Another receipt gives 7 parts of plaster of paris to 1 of the iron filings. If it is desired that the article cemented is to stay white, iron filings should not be used and the cement should rather be made of 3 parts of white of egg, 7 parts of plaster of paris, with a large enough amount of water.

Cement For Fastening Iron To Stone

To make cement for fastening iron to stone, take fine iron filings, 10 parts; plaster of paris, 30 parts; sal-ammoniac, 1/2. Mix to a fluid paste with weak vinegar and use at once.

Cement For Fastening Labels On Polished Nickel

To fasten labels on polished nickel dissolve 400 parts by weight of coarsely powdered dextrine in 600 of water; add 20 parts glycerine and 10 of glucose and heat the mixture to 194 degrees Fahrenheit.

Cement For Fastening Metals On Wood

Mix into a thick solution of glue, finely ground chalk, until the mass gets the consistency desired.

Cement For Fastening Copper To Sand-Stone

The following compound will be found useful for fastening copper to sand-stone: Mix intimately so as to form a plastic mass 4 parts of powdered glass, 6 parts of bole, 6 parts of litharge, 4 parts of linseed-oil varnish and 7 parts of white lead. It will also fasten a number of other metals to a number of other species of stone.

Cement For Glass

To make a cement that will cement glass take about equal quantities of common putty and litharge, well mixed with boiled linseed oil.

Cement For Glass Parts On Lamps

A bismuth cement for cementing the glass parts on petroleum lamps is composed of:

2 parts Tin,

3 parts Lead,

2 5-10 parts Bismuth.

Cement For Glass, Wood And Metal

Concentrated sirupous glycerine mixed with finely ground litharge to a thick viscid paste makes a cement to resist heat, water, oil and acids. Glass, metal and wood may be cemented with it.

Cement For Heated Objects

Cement for objects which have to be heated may be made as follows: Iron filings, 100 parts; clay, 50; common salt, 10; quartz sand, 20.