| Field's alcoholometer, since improved by Ure, is based upon this principle. |
| This instrument is sometimes called Richters alcoholometer, in England. |
| Therefore I say, buy an alcoholometer at all hazards, and carry it and a suitable test-glass with your outfit. |
| The spirit used should be reduced to about proof, and the traveller should always be provided with an alcoholometer. |
| I have never attempted to collect quantities of alcoholics without an alcoholometer in constant use. |
