ammonium, and calcium chlorides and sulphates, and in small amount
borax and sodium acetate; while their power of extinguishing fire is
but three or fourfold that of water.

One of these grenades of a popular brand of which I have not found an
analysis was examined by Mr. Catlett with the following results: The
blue corked flask was so open as to show that it contained no gas
under pressure, and upon warming its contents, but 4 or 5 cubic inches
of a gas were given off. The grenade contained about 600 c.c. of a
neutral solution, which gave on analysis:


In 1000 c.c. In the Flask.
Grammes. Grains.
Calcium chloride¹ 92.50 850.8
Magnesium " 18.71 173.2
Sodium " 22.20 206.9
Potassium " 1.14 10.6
------ ------
134.55 1241.5
¹Trace of bromide.


As this mixture of substances naturally suggested the composition of
the "mother liquors" from salt brines, Mr. Price made an analysis of
such a sample of "bittern" from the Snow Hill furnace, Kanawha Co.,
W.Va., obtaining the following composition:


In 1000 c.c. In 200 c.c.