The *Handbuch der Pendeltafeln* is a German-language reference work authored by Reinhard Lehner. Published in 1999 by Bauer in Freiburg, this paperback serves as a practical guide for professionals and enthusiasts dealing with pendulum‑based measurement devices. It compiles technical specifications, calibration procedures, and application notes, offering concise explanations of the underlying physics and operational best practices. The handbook is designed for use in fields such as surveying, engineering, and scientific research, where precise pendulum instruments are employed. Its compact format makes it a handy resource for on‑site consultation, while the clear layout supports quick reference to key data and troubleshooting tips.