"Project for draining the swamps in the Rzeszow district". - 1909 manuscript.

[HYDROTECHNICS]. Handwritten from the National Land Reclamation Bureau in Lviv, "Project for draining swamps in the Rzeszow district. Types of objections: sluices, bridges, steps and thresholds, drinkers" dated 1909.
Project in leporello form on 34 cards form. 33.7x21 cm. On the first card a calligraphed title and signatures of the authors of the project (including Zdzislaw Pierożyński, Eng. Röhrich, E. Zdanowicz). Subsequent cards feature ink-drawn and gouache-colored cross-sections of various types of locks, bridges, water stages. The drawings were made mainly on a scale of 1:50. Extreme pages dusty, scuffed and stained, others in good condition.