Technology

DUBREUEIL, P.J.

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HEUGLIN, TH. von

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FISCHER, G.A.

Leipzig, Leopold Voss, 1824.

JAHN, G.A.

Leipzig, Reichenbach'sche Buchhandlung, 1855.

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HOSKIÆR (HOSKIER), V.

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London, Lockwood & Co., 1861.

KRUPP, FRIED.

Essen, Buchdruckerei der Gussstahlfabrik von Friedr. krupp, (1880).