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Search for all terms: Material: Metal Alloy

20 records found.

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14. Assorted Copper Busbars And Ebonite Insulators, Early 20th... 15. Tuning Indicator With Glass Lamp, by Marconi Company, London,... 16. Large Rotary Converter, by Electric Construction Company, English,... 17. Large Emergency Morse Key, by Marconi Company, London, Early... 18. Large Main Morse Key, by Marconi Company, London, Early 20th... 19. Large Fixed-Gap Discharger With Case, by Marconi Company, London,... 20. Nova Brunsviga Mechanical Calculator, by Grimme Natalis & Co.,...