De Technische Uitgeverij H. Stam, Haarlem, believe 2^nd, no date but introduction dated 1950.  Hard cover, 1508 pages including Index and ads.  Boards show some edge and cover wear, some spots; binding sound with headbands; fadted blue top stain.  No jacket.  Interior clean and unmarked; pages tanned; age spotting/toning on first and last few pages, with spotting creeping into all margins.  Illustrated throughout with black & white drawings, photos and tables.  Mechanical Engineering text in the Dutch language.