Collection of furniture drawings from the 19th century

Lot 1826 limit € 20

3 colored pen drawings and a mezzotint engraving, including: 1 x depiction of a cylinder office dated "den 1. April 1805.", oblique view with a simple cross-section, 1 x classical cylinder office, early 19th century, construction drawing (master draft?) with a detailed cross-section and Longitudinal section, 1 x depiction of a double-leaf front door, with various examples of garden fences, with yardstick, probably Saxon around 1840, and 1 x depiction of a Biedermeier secretary with longitudinal section, scale (shoe) and publisher's information "Augsburg bei Herzberg", around 1820, each with signs of age (including stained, soiled, browned), sheet up to approx. 38 x 32 cm