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)
/ s / PARAGRAPHUS IV - De vena lacuftrifive fluviatili ferri inSvecia , de que ejus coBione In ferrum . … ferri solent intumescere & impraegnari . Plura circa hanc venae speciem occurrunt notatu digna , ex quibus non wodo de conceptione & productione venae ferreae , sed etiam de ejus ma turatione concludi potest . Ferrum enim sensim generari videtur in aquis stagnantibus & cum humo palustri commixtis &…
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