PRACTICAL SHEET METAL DUCT CONSTRUCTION: A TREATISE IN THE CONSTRUCTION AND ERECTION OF HEATING AND VENTILATING DUCTS

Octavo. Green buckram over boards, with an inset of black lettering (title and author) illustrated by a section of ductwork. Illustrated by Two Hundred and Seventeen Engravings, Mostly from Pen and Ink Drawings. Moderate shelfwear and rubbing to board surfaces and extremities - overall very solidly bound. 181 pp. plus 12 pp. Index and 6 pp. of advertising at rear. NOTE: One "Don't Do This at Home" cautionary: On p. 105, a diagram of a roll of, and suggestion for employing Asbestos Air Cell Covering is set forth. Probably not a good idea, knowing what we now know! Chapters include: Tools, Machinery and Materials; Sheet Metal Work in Heating and Ventilating Systems; Cutting Material, Bending, Forming, Seaming, Grooving and Bracing; Constructing the Various Slip Joints; Hanging Ceiling Ducts -- Supporting and Fastening Ducts; Methods of Laying Out and Constructing the Elbows; Constructing Register Boxes, Cleanouts and Ceiling Ventilators; Registers for Heating and Ventilating Ducts; Fastening and Adjusting Registers; Connecting Heating and Ventilating Ducts; Ducts for Direct-Indirect Heating; Construction of Casings for Indirect Heating; Assembling Casings and Constructing Air Filters; The Construction of Mixing Dampers; Making Dampers for Large Ducts; Calculating Areas for Pipes and Ducts; Various Types of Ventilators; Construction of a Large Ventilator. …