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)
26 1 PARAGRAPHUS IV . De modis probandi explorandique qualitatem ferri crudi pariter ac ferri malleati . … certius de genuina ejus indole judicari potest , nisi in foco fabrili modo vul gari liquetur recöquaturque , inque contos aut bacilla extendatur : quo facto , facile videri potest , cujus notae sit , & num usibus aptum sit vel non ; aliis ratiociniis & signis vix tam tuto considendum est : datur…
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![An illustration from Hieronymi Mercurialis Variarum lectionum libri quatuor : in quibus complurium, maximeq[ue] medicinae scriptorum infinita paenè loca vel corrupta restituuntur, vel obscura declarantur ; Alexandri Tralliani De lumbricis epistola (1571)](https://img.insideoutlibrary.com/img/200/ia-hieronymimercuri00merc-234-55.webp)
