Phenix Disinfectant, 35 cents a pound.

Silicate of alumina (clay)56.8769.10
Sesquichloride of iron1.1920.19
Sesquioxide of iron7.1021.14
Lime2.4700.39
Carbolic acid0.4000.06
Carbonic acid and organic impurities31.9605.12
100.00016.00

Phenol Sodique, 50 cents a half pint.

Carbolic acid1.1771.61
Soda salts, water, and impurities98.823134.29
100.000135.90

Platt’s Chlorides, 50 cents a quart.

Solution chloride ofzinc(saturated)40parts.
lead20
calcium15
aluminum15
magnesium5
potassium5
100

APPENDIX B.

List of the prices of plumber’s materials and labor, from which a rough estimate may be formed of the probable cost of proposed plumbing. The prices given are wholesale ones, and it must be remembered that every plumber is also a retail merchant, who obtains his materials at a discount, and charges them to his customer at an average advance of 10 or 15 per cent on the prices here given.

All measurements are of inside diameters.

Bands.—Ordinary thickness, 2 by 2 inches, 75 cents; 6 by 6 inches, $1.90. Intermediate sizes at corresponding prices.