3 books for « rumford benjamin graf... »Edit

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‎RUMFORD, BENJAMIN GRAFEN von.‎

Reference : 55332

(1797)

‎Kleine Schriften politischen, ökonomischen und philosophischen Inhalts. Nach der zweyten vermehrten Ausgabe aus dem Englischen übersetzt, und mit neuen Beylagen bereichert. 1.-2. Bd.‎

‎Weimar, Industrie=Comptoirs, 1797. Bound uncut in 2 contemp. boards. Spines spotted. paperlabels pasted on spines. Stamps on title-page. XX,142 pp. + Anhang I-XXX and 4 engraved plates + (143-) 484 pp. Internally fine and clean, wide-margined, uncut. 2 engraved vignettes. No portrait.‎


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DKK1,500.00 (€201.18 )

‎"RUMFORD, GRAFEN von (BENJAMIN THOMPSON). - THE ECONOMY OF HEAT.‎

Reference : 43873

(1800)

‎Beyträge zur Lehre von der Wärme in physikalisher und ökonomischer Rücksicht.‎

‎(Halle, Rengerschen Buchhandlung, 1800) Without wrappers. In ""Annalen der Physik. Herausgegeben von Ludwig Wilhelm Gilbert"", Bd. 3, Drittes Stück. (The entire issue offered). Pp. 257-376 a. 3 folded engraved plates. Rumford's paper: 257-376.‎


‎First appearance in German of selected papers from Rumford's Experimental Essays on heat, describing smoky fireplaces and his design of more efficient fireplaces using radiant heat better. He discovers that mat surfaces radiate heat better than shiny ones etc. etc.‎

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DKK1,200.00 (€160.95 )

‎"RUMFORD, GRAFEN von (BENJAMIN THOMPSON). - WEAKENING THE CALORIC THEORY OF HEAT.‎

Reference : 43872

(1799)

‎Bemerkungen über dias eigenthümliche Gesetz, wonach erkaltendes Wasser nahe beim Frostpunkte seine Dichtigkeit ändert, und über die auffallenden Wirkungen dieses Gesetzes in der Oekonomie der Natur, sammt Vermuthungen über die Endursache der Salzigkei...‎

‎(Halle, Rengerschen Buchhandlung, 1799). Without wrappers. In ""Annalen der Physik. Herausgegeben von Ludwig Wilhelm Gilbert"", Bd. 1 Viertes Stück und Bd. 2, Drittes Stück. (The entire issues offered). Pp. 379-518 a. 2 folded engravd plates + pp. 249-368 a. 2 folded engraved plates. Rumford's papers: pp. 436-463 a. pp. 249-286.‎


‎First German editions of Rumford's central essays on heat flows in liquids, describing his DISCOVERY OF THE CONVECTION OF HEAT and his experiments that led to his theory of the CONVECTION CURRENTS IN THE OCEAN. The papers appeared originally in the Philosophical Transactions in 1798.‎

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Phone number : +45 33 155 335

DKK2,500.00 (€335.30 )
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