OPEN-SOURCE HARDWARE Heinrich, Anton. Beschreibung einer Studier= Spar= und Nachtlampe. Breslau (Wrocław), J.F. Korn d.Ä. 1798. More Add to Cart Price: $1,650.00 Item Details Ask a Question
ENERGY EFFICIENCY Panzer, C. Beschreibung eines zweckmässigen Sparherdes und Kochofens. Munich, C.T.F. Sauer at J. Lindauer’s Bookshop 1830. More Add to Cart Price: $1,250.00 Item Details Ask a Question
SHARP ADVERTISING Scharff, Josua. Josue Scharff de francfort. Frankfurt a.M., Josua Scharff [1747]. More Add to Cart Price: $28,000.00 Item Details Ask a Question