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Ryan S.
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Posted: Sun 18 Jun, 2023 9:47 am Post subject: |
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What about it looks unusual to you?
It looks a bit like this one to me.
According to this octoganial hilted Nordic swords is an established type.
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A Aron
Location: Oregon, USA Joined: 19 Sep 2019
Posts: 2
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Posted: Sun 18 Jun, 2023 7:14 pm Post subject: |
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Quite a few years ago, the leading Japanese archaeologist was caught planting ancient Chinese pottery in Japanese tombs to "prove" a pet theory. Other than a fraudulent plant, how can anyone explain the almost total lack of blue/green patina on the German bronze sword? The Mycenaean bronze swords found by Heinrich Schliemann in the royal pit graves in the citadel at Mycenae (on display in the Athens, Greece museum) were severely patinated and damaged when excavated. They are several centuries newer than the German sword. There are many bronze Corinthian helmets dug up from Olympia and other sites, all from 600BC to 300BC, centuries newer than the supposedly 1300-1400BC German sword. All such buried bronze armor is heavily crusted with patina. Is this German sword magic? Is it made by space alien technology? Why is there so little patination?
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Anthony Clipsom
Location: YORKSHIRE, UK Joined: 27 Jul 2009
Posts: 342
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Posted: Mon 19 Jun, 2023 5:25 am Post subject: |
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Quote: | Why is there so little patination? |
The obvious answer would be burial conditions. You'd have to look at the excavation report but I'd guess we are not looking at an acid environment, from the condition of the bones, which would mean that we may not have a particularly corrosive environment. Patination on the several other bronze items in the grave seems consistent with the sword too, unless you're suggesting that everything has been put in?
Anthony Clipsom
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Pieter B.
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Posted: Mon 19 Jun, 2023 6:55 am Post subject: |
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Copper alloy patina formation follows a set pattern.
Initially the alloy is quite bright though much depends on the initial composition and or polishing. Exposure first causes a dark-brown cuprite(Cu2O) patina to form, this is a very thin layer closest to the piece. On top of this layer a second layer will form. This layer of brochantite, antlerite or some other copper compound. It's this layer that gives aged copper its charactaristic blue-green hue. The formation rate and composition of this second layer is subject to atmospheric and/or soil conditions. Atmospheres high in sulfur for example can promote the formation of antlerite while low sulfur atmosphere lead more to brochantite.
The sword they dug up in Bavaria obviously displays this second blue-green layer quite well. However unlike many other examples the layer is either thin or very reflective. Apart from having a flat surface the one thing which could explain the high brightness is the layer being of relatively even thickness. A mirror or a blade is polished to make it reflective by evening out the surface. If the patina on he blade is also of even thickness that could explain why it's still so bright. Other metals that form a (protective) patina would be aluminium or stainless steel and both of these can be bright regardless.
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Dan Kary
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Posted: Fri 23 Jun, 2023 8:21 pm Post subject: |
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Totally amateur question here, but the patterns on those bronze swords is due to...? Just cuts/file work where the patina is a different (lighter) colour? Surely it can't be inlays...
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Dan D'Silva
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Posted: Fri 23 Jun, 2023 9:49 pm Post subject: |
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To me it just looks like the grooves have accumulated more green gunk than the raised surfaces. I imagine the size and layout of the grooves would be easiest to make by casting them in. If the hilt's wax cast, then they were probably on the wax positive before the mold was made.
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Glen A Cleeton
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Posted: Wed 28 Jun, 2023 4:00 pm Post subject: |
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Tight grain wood to carve masters, then making a mould in halves from clay, then bind the mould
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Mart Shearer
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Craig Johnson
Industry Professional
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Craig Johnson
Industry Professional
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Posted: Wed 06 Sep, 2023 4:24 pm Post subject: Roman Swords find |
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Here is an article about 4 roman era swords found in a cave recently.
Roman Swords
CNN version of story
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Glen A Cleeton
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Anthony Clipsom
Location: YORKSHIRE, UK Joined: 27 Jul 2009
Posts: 342
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Chad Arnow
myArmoury Team
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Posted: Tue 19 Sep, 2023 10:00 am Post subject: |
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I love the grip on that one. It reinforces that knotwork carving has had a long life.
ChadA
http://chadarnow.com/
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Craig Johnson
Industry Professional
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Posted: Thu 21 Sep, 2023 8:09 am Post subject: more Roman Swords |
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Here are a couple of Spatha recently found on the other side of the empire from the ones found in Israel. So to the Cotswolds!
Roman Swords
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Craig Johnson
Industry Professional
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Craig Johnson
Industry Professional
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Posted: Tue 23 Jan, 2024 1:18 pm Post subject: Bronze Roman Arm Guard armor |
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I had seen bits of this before but the conservation and display on the new exhibit really lets you see how well it was put together and looked.
Roman Armor Arm
Best
Craig
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Craig Johnson
Industry Professional
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Posted: Tue 20 Feb, 2024 10:26 am Post subject: Iron age find in Poland |
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Here are some corroded pieces found recently in Poland. It will be a bit of work to conserve and study these but cool find.
Polish Iron Objects
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Anthony Clipsom
Location: YORKSHIRE, UK Joined: 27 Jul 2009
Posts: 342
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Craig Johnson
Industry Professional
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Posted: Wed 24 Apr, 2024 1:49 pm Post subject: Early sword found in Spain |
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Here is a nice piece they are dating to 1000 yrs old though I would like to see more info before I would agree. It does look like a nice piece and would be an excellent one to stufy.
1000 year old grave find from Spain
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Len Parker
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