The process of fermentation in the preparation of wine, vinegar, beer and bread was known and practised in prehistoric times.
His investigations on vinegar-making revolutionized that industry, and he showed how, instead of waiting two or three months for the elaboration of the process, the vinegar could be made in eight or ten days by exposing the vats containing the mixture of wine and vinegar to a temperature of 20 to 25° C., and sowing with a small quantity of the acetic organism.
Printing, book-selling, the manufacture of surgical and scientific instruments, chemicals, gloves and vinegar, and the cultivation of hops, fruit and vines are among the leading occupations of the inhabitants.
Mrs. Hussey soon appeared, with a mustard-pot in one hand and a vinegar-cruet in the other, having just broken away from the occupation of attending to the castors, and scolding her little black boy meantime.
Run for God's sake, and fetch something to pry open the door--the axe!--the axe! he's had a stroke; depend upon it!--and so saying I was unmethodically rushing up stairs again empty-handed, when Mrs. Hussey interposed the mustard-pot and vinegar-cruet, and the entire castor of her countenance.