The American Practical Brewer and Tanner

Supposing the brewery to have all its cellars above ground, which I conceive to be not only practicable, but, in many cases, preferable to having them under, as more economical, and more cleanly, particularly where vats for keeping strong beer are constructed on the plan herein after recommended, in which it is expected the temperature necessary for keeping beer will be as securely preserved above, as under ground, and the erections so constructed, as not only to be air, but fire proof. (See description of these vats.