EditorialPortrait of G. D. Heumann; Frontispiece from Penther's detailed guide to civil architecture, Left: Portrait of G. D. Heumann from the 18th century, right: Frontispiece from Penther's detailed instructions on bourgeois architecture from the 18th century...
EditorialGoslar and the Rammelsberg, Frontispiece and title page of a textbook on metallurgical works, Signed: G. I. Arenhold Inv., et del: Hanov: G.D. Heumann fec., Norib 1738, frontispiece, Arenhold, G. I. (inv. et del.); Heumann, G. D. (fec.), 1738, Christop...
EditorialPortrait of G. D. Heumann; Frontispiece from Penther's detailed guide to civil architecture, Left: Portrait of G. D. Heumann from the 18th century, right: Frontispiece from Penther's detailed instructions on bourgeois architecture from the 18th century...