Dr. Adolf Wolpert (Professor des Baufaches an der Industrieschule in Nürnberg), Ueber Luftfeuchtigkeit. In - Sieben Abhandlungen aus der Wohnungs-Hygiene, Baumgärtner's Buchhandlung, Leipzig 1887, S. 60

---

Size: 1237px × 2019px
Photo credit: © Historic Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 10803986, ancient, art, book, bygone, copy, cover, drawing, editorial, historic, history, illustration, line, map, news, painting, photo, photograph, photography, space, stock, textbook, vintage