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<p>[QUOTE="springfld.arsenal, post: 40718, member: 54"]You can get a rough "earliest" date on the 4-legged one by looking at the construction techniques. OP calls it "iron" a few times but it is unquestionably steel, and I don't think most readers need a detailed explanation there.</p><p><br /></p><p>Items like that reflect the tools available to make them economically and I think a CNC plasma cutter was used here due to the smoothness and regularity of the cut surfaces. "Hair" cuts were probably made with an angle or die grinder, and the eye with die grinder (a vibratory engraving tool would have done a neater job.) I'm thinking CNC plasma cutters came into widespread use in maybe 1990's but I haven't looked it up. It isn't hand-cutting-torch work or it would be a lot rougher on the edges, even if they spent a lot of time trying to grind it smooth. It could also be CNC-water-jet-cut but that wouldn't change the dating much-maybe put it a decade later. There's a very small chance it could be CNC laser-cut but that setup is so expensive you aren't going to see it used for low-priced deco items like this-only for aerospace and high-tech stuff.[/QUOTE]</p><p><br /></p>
[QUOTE="springfld.arsenal, post: 40718, member: 54"]You can get a rough "earliest" date on the 4-legged one by looking at the construction techniques. OP calls it "iron" a few times but it is unquestionably steel, and I don't think most readers need a detailed explanation there. Items like that reflect the tools available to make them economically and I think a CNC plasma cutter was used here due to the smoothness and regularity of the cut surfaces. "Hair" cuts were probably made with an angle or die grinder, and the eye with die grinder (a vibratory engraving tool would have done a neater job.) I'm thinking CNC plasma cutters came into widespread use in maybe 1990's but I haven't looked it up. It isn't hand-cutting-torch work or it would be a lot rougher on the edges, even if they spent a lot of time trying to grind it smooth. It could also be CNC-water-jet-cut but that wouldn't change the dating much-maybe put it a decade later. There's a very small chance it could be CNC laser-cut but that setup is so expensive you aren't going to see it used for low-priced deco items like this-only for aerospace and high-tech stuff.[/QUOTE]
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