Abstract
En este trabajo se analiza el fragmento de una espada con posible sello de Masuria hallada en el NE de Polonia. Fue encontrada cerca de una necrópolis romana de la Cultura Bogaczewo. Tipológicamente es una espada romana. Sin embargo, los resultados de los análisis metalográficos sugieren que fue fabricada o bien con un limpio hierro forjado (o hipotéticamente con hierro fundido) o con acero preindustrial (Bessemer, Thomas, Siemens-Martin, etc.). Por otro lado, la composición química de la misma implicaría el empleo de acero pre-industrial. Para concluir, se sugiere, con cautela, que la espada puede ser una espada antigua, pero esta conclusión solo puede verificarse si aparecen hallazgos similares del periodo romano.
Highlights
The sword and its origins1In Summer 2012, archaeologists received information on a stray find of a “dagger” or “sword”2 in Grzybowo (Grzybowen), the Ryn District, possibly from the west bank of Lake Dejguny (Fig. 1: A, D)
Be very tentatively suggested that the sword might be a genuine Roman Period weapon made from very clean bloomery steel
The microstructure of the metal can suggest an Industrial Age origin, the authors of the paper were unable to identity any artefact from that period with a morphology similar to the discussed sword
Summary
In Summer 2012, archaeologists received information on a stray find of a “dagger” or “sword” in Grzybowo (Grzybowen), the Ryn District, possibly from the west bank of Lake Dejguny (Fig. 1: A, D). Hošek propose that some finds of cast iron may have been by-products of obtaining high carbon steel in the bloomery process They discuss the so-called “Aristotle’s furnace,” i.e., a method of obtaining hypereutectoid steel by means of heating wrought iron with charcoal fuel in a small shaft furnace with strong artificial blast, they are aware that there is no direct evidence for using this method in Early Medieval Europe (Kucypera and Hošek, 2014). This process (invented by Benjamin Huntsman in the 1740s) consisted in heating charges of cementation steel and coke in clay crucibles There were 3 replica swords of 19th c. or later date (Appendix 3, Nos. 247, 248, 249), where nothing certain can be said about their technology of manufacture.
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