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Arrowhead (Read 6075 times)
PingHansen
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Si vis pacem, para bellum

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Re: Arrowhead
Reply #15 - Dec 27th, 2011 at 11:05am
 
Mauro Fiorentini wrote on Dec 27th, 2011 at 9:43am:
94% copper - 6% tin, and no lead at all

That's about what I figured, plus/minus a few percent.

It also figures that the compositions would vary across the different tool types - the ancients certainly weren't fools in that regard Smiley

Mauro Fiorentini wrote on Dec 27th, 2011 at 9:43am:
Arrowheads were flat, with a central rib, and were melted in series of 4

I've seen some pictures/drawings of 6th/7th century BC bronze molds from Mosul and Carchemish, but the insides were not shown of all of them.

One of them, a four-piece single item mold, would actually be reasonably easy to make with cire perdue - or even with a metal saw and a Dremel tool - and as a beekeeper, I do have access to beeswax from the source Wink

I'd better start checking some melting points for different metals and alloys - I don't think that making a leaden mold for casting bronze would be the smartest move Grin
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