Books in Browsing: Engineering & Construction (sorted alphabetically by author)
- Gas Burners Old and New Owen Merriman
- San Francisco and the Nicaragua Canal William L. Merry
- Calumet 'K' Samuel Merwin and Henry Kitchell Webster
- Calumet "K" Samuel Merwin and Henry Kitchell Webster
- Steel : a manual for steel users William Metcalf
- The First Airplane Diesel Engine: Packard Model DR-980 of 1928 Robert B. Meyer
- The Way of the Air: A Description of Modern Aviation Edgar Charles Middleton
- The Recent Revolution in Organ Building George Laing Miller
- Plain Concrete for Farm Use T. A. H. Miller
- The Panama Canal: A history and description of the enterprise J. Saxon Mills
- Railway Construction William Hemingway Mills
- Keely and His Discoveries: Aerial Navigation Mrs. Bloomfield H. Moore
- How To Build A 20-Foot Bi-Plane Glider Alfred Powell Morgan
- Model Flying Machines Alfred Powell Morgan
- The Boy Electrician Alfred Powell Morgan
- Home-made Toy Motors Alfred Powell Morgan
- The Preparation of Plantation Rubber Sidney Morgan
- The Chester and Holyhead Railway and Its Prospects William Morgan
- A Manual of Pyrotechny; or, A Familiar System of Recreative Fire-works G. W. Mortimer
- Tri-nitro-glycerine, as Applied in the Hoosac Tunnel, Submarine Blasting, etc., etc., etc. George M. Mowbray
- American Inventions and Inventors William A. Mowry and Arthur May Mowry
- Mine Pumping in Agricola's Time and Later Robert P. Multhauf
- The Introduction of Self-Registering Meteorological Instruments Robert P. Multhauf
- Outspinning the Spider: The Story of Wire and Wire Rope John Kimberly Mumford
- Rockets, Missiles, and Spacecraft of the National Air and Space Museum, Smithsonian Institution Lynne C. Murphy