Hos A. BONNIER har nyss inkommit: Appletons Dietionary Machines. Mechanies, Engine-Work, and Engineering: designed for practical, working vien and thoseintended for the engineering profession Fullständigt i 2:ne band, om cirka 4000 sidor i stor 8:vo a med öfver 4000 figurer i texten. NewYork 1851— 1859. Pris för bundna exempl. 36 Rdr bko. I bäften 33: 16. DEMPSEY, The Practical Railway Engineer. Examples of the mechanical and engineering operations and structures combined en the making of a railway with 50 engrawings. 40. 24 Rår. GARDNER. Railway Hensuration, Element, principales and practrules for ealcolation and setting out all kinds ef railway work, with explanatory engravings. 40 32. TREDGOLD, Locomotive Engine, Principles, Practice and Explanation of the machinery, with monyplater. 35 Rdr bko: -— Steam Navigation, Principes, Practice åe. 2 vols: 49 Rdr bko. Samt dessutom ett rikhaltigt lager af Utländsk Litteratur i techniska och mekaniska ämnen, m. Mm.