Excerpt from Light, Heat and Power in Buildings In this volume the object is to present in compact form the main facts on which selection of the sources for lig

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced

Excerpt from Heating and Ventilating Buildings: An Elementary Treatise Heat is recognized by a bodily sensation, that of feeling, by means of which we are able