Page:A Practical Treatise on Brewing (4th ed.).djvu/232

216 {| cellspacing=0
 * rowspan=2|Date of observation 1839
 * colspan=2|No. 1 Bottle
 * colspan=2|No. 2 Bottle
 * Degrees of temperature.
 * Gravity.
 * Degrees of temperature.
 * Gravity.
 * Degrees of temperature.
 * Gravity.


 * 5, P. M. Jan. 24
 * 52
 * 75.2
 * 54
 * 41.5
 * Bottles placed in square.
 * Bottles placed in square.


 * 25
 * 68
 * 75.0
 * 66
 * 41.5
 * Wash-back 71°, no appearance of fermentation in either bottle.
 * Wash-back 71°, no appearance of fermentation in either bottle.


 * 26
 * 70
 * 73.2
 * 70
 * 41.1
 * Back in which bottles were placed 80°. No. 1 bottle a creamy head. No. 2 a frothy head, and on drawing the cork a hissing noise was heard, fermentation in both pretty strong.
 * Back in which bottles were placed 80°. No. 1 bottle a creamy head. No. 2 a frothy head, and on drawing the cork a hissing noise was heard, fermentation in both pretty strong.


 * 28
 * 66
 * 49.6
 * 68
 * 17.8
 * No. 2 bottle, the gas, on cutting the string of the bladder over the cork, forced it out violently, and the contents commenced working over like brisk beer.
 * No. 2 bottle, the gas, on cutting the string of the bladder over the cork, forced it out violently, and the contents commenced working over like brisk beer.


 * 29
 * 62
 * 34.2
 * 62
 * 15.2
 * A frothy light yeasty head on both bottles, on No. 1 being uncorked, carbonic acid gas escaped, which blew out a candle. No. 2 also discharged gas with considerable force, and a portion of yeast adhered to the bottoms of the cork.
 * A frothy light yeasty head on both bottles, on No. 1 being uncorked, carbonic acid gas escaped, which blew out a candle. No. 2 also discharged gas with considerable force, and a portion of yeast adhered to the bottoms of the cork.


 * 30
 * 58
 * 27.8
 * 60
 * 13.0
 * No. 1 bottle still a yeasty-like head. No. 2, head nearly disappeared; carbonic acid still apparent in each.
 * No. 1 bottle still a yeasty-like head. No. 2, head nearly disappeared; carbonic acid still apparent in each.


 * Feb. 1
 * 25.4
 * 11.4
 * Went to still.
 * }
 * 11.4
 * Went to still.
 * }

The above samples were carefully distilled in a retort, and the relative products according to the attenuation were not far different from the washback in which they had been placed, and which had been fermented in the regular way, and was rather below 0. The bottle No. 1, produced at the rate of a gallon of spirits for every 5.4 attenuated; and