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N B1 The Notebooks of Leonardo Da Vinci — Complete The Notebooks of Leonardo Da Vinci — Complete da Vinci Leonardo H B1 How it Works How it Works Archibald Williams B B1 The book of wonders : gives plain and simple answers to the thousands of everyday questions that are asked and which all should be able to, but cannot answer... The book of wonders : gives plain and simple answers to the thousands of everyday questions that are asked and which all should be able to, but cannot answer... S B1 Steam, Its Generation and Use Steam, Its Generation and Use Babcock & Wilcox Company P B1 Practical Mechanics for Boys Practical Mechanics for Boys James Slough Zerbe C B1 Concrete Construction: Methods and Costs Concrete Construction: Methods and Costs Halbert Powers Gillette and Charles Shattuck Hill C B1 Color Images from Mars Rovers Color Images from Mars Rovers Bob Webster M B1 My Life and Work My Life and Work Henry Ford and Samuel Crowther O B1 The Online World The Online World Odd De Presno M B1 Mechanical Drawing Self-Taught Mechanical Drawing Self-Taught Joshua Rose D B1 De Re Metallica, Translated from the First Latin Edition of 1556 De Re Metallica, Translated from the First Latin Edition of 1556 Georg Agricola J B1 Jane's All the World's Aircraft. 1913 Jane's All the World's Aircraft. 1913 S B2 The Standard Electrical Dictionary The Standard Electrical Dictionary T. O'Conor Sloane P B1 The Progress of Invention in the Nineteenth Century. The Progress of Invention in the Nineteenth Century. Edward W. Byrn E B1 Electricity for Boys Electricity for Boys James Slough Zerbe S B1 Smithsonian Institution - United States National Museum - Bulletin 240 Smithsonian Institution - United States National Museum - Bulletin 240 Museum of History and Technology W B2 The works of the highly experienced and famous chymist, John Rudolph Glauber : containing, great variety of choice secrets in medicine and alchymy in the working of metallick mines, and the separation of metals: also, various cheap and easie ways of making salt-petre, and improving of barren-land, and the fruits of the earth. The works of the highly experienced and famous chymist, John Rudolph Glauber : containing, great variety of choice secrets in medicine and alchymy in the working of metallick mines, and the separation of metals: also, various cheap and easie ways of making salt-petre, and improving of barren-land, and the fruits of the earth. Johann Rudolf Glauber H B1 The handbook of soap manufacture The handbook of soap manufacture W. H. Simmons and H. A. Appleton I The inventions, researches and writings of Nikola Tesla The inventions, researches and writings of Nikola Tesla Thomas Commerford Martin E Edison: His Life and Inventions Edison: His Life and Inventions Frank Lewis Dyer and Thomas Commerford Martin S Steam-ships : The story of their development to the present day Steam-ships : The story of their development to the present day R. A. Fletcher M Modern Machine-Shop Practice, Volumes I and II Modern Machine-Shop Practice, Volumes I and II Joshua Rose D A Dictionary of Arts, Manufactures and Mines A Dictionary of Arts, Manufactures and Mines Andrew Ure P The Pencil of Nature The Pencil of Nature William Henry Fox Talbot D The Dyeing of Cotton Fabrics: A Practical Handbook for the Dyer and Student The Dyeing of Cotton Fabrics: A Practical Handbook for the Dyer and Student Franklin Beech