The Polytechnisch Zakboek (Polytechnical Pocket Guide) is a legendary reference work for Dutch-speaking technicians, engineers, and architects. The 52nd edition (often referred to as the 52e druk) continues its tradition as an exhaustive "bible" of technical data, formulas, and tables used daily in the field. Core Content & Scope

Engineering Sciences: The book covers core engineering disciplines such as mechanical engineering, electrical engineering, and civil engineering. It includes detailed information on systems, components, and processes, along with diagrams, formulas, and illustrations to aid understanding.

The 52nd edition brought significant updates to maintain its status as a modern "technical bible":

Structural pocket guide for architecture students - ResearchGate

Enhanced Readability: Breaking from the traditional "pocket" size, this edition features a larger format and a refreshed layout. This design choice specifically improves the legibility of complex tables, graphs, and technical drawings.

, which replaced previous national standards (NEN). This makes the book essential for modern structural and civil engineering. Breadth of Content