===Petersen Type F===
''long and thin socket ornamented with encircling ridges and depressions. The blade is widest as it joins the socket.''<br>Found with sword types: M, L, K, H and I. Axes types: E, G and D.Type F spearheads generally have a length of 30-60cm with most being between 50-60cm. Petersen classes this a very numerous type in Norway and dates it from the middle C9th.[PETERSEN 1919]. Possibly a precursor to type I spears.
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