Books in Browsing: Computers & Technology (sorted alphabetically by author)
- Lichtbild- und Kino-Technik (German) Franz Paul Liesegang
- Handbuch der praktischen Kinematographie (German) Franz Paul Liesegang
- Sciopticon: Einführung in die Projections-Kunst (German) Franz Paul Liesegang
- Der Vogelflug als Grundlage der Fliegekunst (German) Otto Lilienthal
- Instruction book on ring spinning Francis L. Lincoln
- Signalling across space without wires Sir Oliver Lodge
- The Dry Collodion Process Charles A. Long
- Plaque No. 6 Losey's Orchestra
- Plaque No. 2 Losey's Orchestra
- Plaque No. 1 Losey's Orchestra
- Wireless Possibilities A. M. Low
- An Introduction to Machine Drawing and Design David Allan Low
- Die Casting: Dies—Machines—Methods Chester L. Lucas
- English-French and French-English dictionary of the motor car, cycle, and boat Frederick Lucas
- Manufacturing Cost Data on Artificial Ice Otto Luhr and Herman Friedl
- The Lathe & Its Uses James Lukin
- The Young Mechanic James Lukin
- The platinum metals Arthur Douglas Lumb
- The construction and maintenance of earth roads Richard Roswell Lyman
- Experimental glass blowing for boys Carleton John Lynde
- The American Printer: A Manual of Typography Thomas MacKellar
- Stories of Great Inventors Hattie E. Macomber
- Rough and Tumble Engineering James H. Maggard
- Oxy-Acetylene Welding and Cutting Harold P. Manly
- Dictionary of Explosives Arthur Marshall