English: Microstructure of a spiral tube originating from the 12th-13th century cemetery from Kukruse, Estonia. Copper alloy wire containing tin and lead. The spiral was mounted in plastic and ground. Tint etched with the Klemm's II reagent. Photographed an the optical microscope under 200x magnification.
Eesti: Eestist Kukruse 12.-13. sajandi kalmistult leitud spiraaltoru mikrostruktuur. Pliid ja tina sisaldav pronkstraat. Spiraal on kinnitatud termoplastikusse ja lihvitud. Söövitatud Klemmi II reagendiga. Pildistatud optilise mikroskoobiga 200x suurendusega.
English: Microstructure of an archaeological bronze spiral tube, tint etched with the Klemm's II reagent.
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Rsaage
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