History of Science Museum: Collection Database Search

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Search for all terms: Material: Ebonite

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18. Large Main Morse Key, by Marconi Company, London, Early 20th... 19. High Frequency Sliding Inductance, by Marconi Company, London,... 20. Assorted Copper Busbars And Ebonite Insulators, Early 20th... 21. Ebonite Partition Insulator, Early 20th Century 22. Large Aerial Tuning Inductance With Case, by Marconi Company,... 23. Large Main Jigger With Case, by Marconi Company, London, Early... 24. Tuning Indicator With Glass Lamp, by Marconi Company, London,... 25. Coil-Type Testing Buzzer With Case, Early 20th Century