Luchinsky N.D. Diagrams of lifting mechanisms of American-style tractor ploughs. In Russian/Luchinskiy N.D. Skhemy podemnykh mekhanizmov traktornykh plugov amerikanskogo tipa. Proceedings of the All-Russian Scientific Research Institute of Mechanical Engineering (VISHOM). M-L Gosmashmetizdat 1933. 48s,. Please contact us for details on condition of available copies of the book. SKUalbf9cb62e91bbb5a28.