Anti-freezing, Non-corrosive Solution.

Anti-frost Solution.

Protection Of Acetylene Apparatus From Frost.

Frost Bite.

When the skin is as yet unbroken, Hugo Kuhl advises the following: {364}

I.—Carbolized water4 drachms
Nitric acid1 drop
Oil of geranium1 drop

Mix. Pencil over the skin and then hold the penciled place near the fire until the skin is quite dry.

If the skin is already broken, use the following ointment:

II.—Hebra’s ointment500 parts
Glycerine100 parts
Liquefied carbolic acid 15 parts

Mix. Apply to the broken skin occasionally.