Peat rubble is ground to a powder, and 100 parts put into a mixing machine, which can be hermetically sealed. Then 15 parts of blue vitriol are added either very finely pulverized or in a saturated aqueous solution. Next are added 2 parts of formalin, and lastly 1 part of ground cloves, orange peel, or a sufficient quantity of some volatile oil, to give the desired perfume. The mixing machine is then closed, and kept at work until the constituents are perfectly mixed; the powder is then ready to be put up for the market. Its purpose is to effect a rapid absorption of the sputum, with simultaneous destruction of any microbes present, and to prevent decomposition and consequent unpleasant odors.

Deodorants for Water-Closets

I

Ferric chloride..... 4 parts

Zinc chloride....... 5 parts

Aluminum chloride. 5 parts

Calcium chloride. ...     4 parts

Magnesium chloride.     3 parts Water sufficient to

make.............    90 parts

Dissolve, and add to each gallon 10 grains thymol and 1/4 ounce oil of rosemary, previously dissolved in about 6 quarts of alcohol, and filter.

II

Sulphuric acid,

fuming........ 90 parts

Potassium permanganate......... 45 parts

Water............4,200 parts

Dissolve the permanganate in the water, and add under the acid. This is said to be a most powerful disinfectant, deodorizer, and germicide. It should not be used where there are metal trimmings.