Part of the "Machinery's Reference Series", this vintage book contains a complete guide to making traditional methods of heating and ventilation machinery written by Charles L. Hubbard. It offers detailed descriptions of various types of fans and heaters, with simple and comprehensive instructions for their design, construction, operation, and maintenance. With clear diagrams and expert tips, this volume will appeal to those with an interest in machine building and is not to be missed by collectors of vintage engineering literature. Contents include: "Centrifugal and Disk Fans", "Theory of Centrifugal Fans", "Blast Area", "Power Required to Move Air", "Effect of Temperature", "Form of Orifice", "Effect of Resistance", "Horse-Power Required", "Heaters for Hot Blast and Ventilation", "Heating and Ventilating Machine Shops", etc. Many vintage books such as this are increasingly scarce and expensive. It is with this in mind that we are republishing this volume now in an affordable, modern, high-quality edition complete with the original text and artwork.