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Title: Lump of aluminium/silicon alloy and two castings (bicycle pe [Go to resource]
Description: Lump of aluminium/silicon alloy and two castings (bicycle pedal) of same alloy, c. 1982 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1984-671 Go to resource More Like this...
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