+---------------+-------------------+-------------------+----------------+-------------------+------------------+ |Temperature of | Alcoholic content | Alcoholic content | Temperature of | Alcoholic content | Alcoholic content| | the Vapour. | of the Distillate | of the Boiling | the Vapour. | of the Distillate | of the Boiling | | Fahr. | per cent. | Liquid per cent. | Fahr. | per cent. | Liquid per cent.| +---------------+-------------------+-------------------+----------------+-------------------+------------------+ | 170·0 | 93 | 92 | 189·8 | 71 | 20 | | 171·8 | 92 | 90 | 192·0 | 68 | 18 | | 172·0 | 91 | 85 | 194·0 | 66 | 15 | | 172·8 | 90-1/2 | 80 | 196·4 | 61 | 12 | | 174·0 | 90 | 75 | 198·6 | 55 | 10 | | 174·6 | 89 | 70 | 201·0 | 50 | 7 | | 176·0 | 87 | 65 | 203·0 | 42 | 5 | | 178·3 | 85 | 50 | 205·4 | 36 | 3 | | 180·8 | 82 | 40 | 207·7 | 28 | 2 | | 183·0 | 80 | 35 | 210·0 | 13 | 1 | | 185·0 | 78 | 30 | 212·0 | 0 | 0 | | 187·4 | 76 | 25 | | | | +---------------+-------------------+-------------------+----------------+-------------------+------------------+ This method is admirably adapted to the purposes of the distiller and rectifier, as it furnishes a ready means of approximately determining the strength of the spirit passing over, at every part of the process of distillation, as well as that of the wash left in the still.