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Emanuelis Swedenborgii ... Regnum subterraneum sive minerale de ferro : de que modis liquationum ferri per Europam passim in usum receptis : de que conversione ferri crudi in chalybem : de vena ferri et probatione eius : pariter de chymicis praeparatis et cum ferro et victriolo eius factis experimentis &c. &c (1734)

Swedenborg, Emanuel · sumptibus Friderici Hekelii ... · leaf 210

An illustration from Emanuelis Swedenborgii ... Regnum subterraneum sive minerale de ferro : de que modis liquationum ferri per Europam passim in usum receptis : de que conversione ferri crudi in chalybem : de vena ferri et probatione eius : pariter de chymicis praeparatis et cum ferro et victriolo eius factis experimentis &c. &c, 1734, leaf 210
1 77 PARAGRAPHUS XIX . Modus venam ferri coquendi recoquendique Fordenbergi , Stirice & Carinthice . Fordenbergi . … qui igni validissime poterat resistere ; hinc genus hoc lapidistanquamigni inimicum , nec facile a flamma domandum , optime prius a vena secerne batur , antequam transmitteretur per caminum . Sub vena nobiliore & ma tura eruebatur etiam alia , quae immatura & nondum satura ferri genuini fuisse…

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