Search for all terms: Material: ebonite? Page 1 of 27 records found. Displaying 25 50 100 200 at a time.Next Results > Records with Images1. Metal Point for Brass Syringe, by Weiss, 1844? 2. Monocular Microscope in Case with Accessories, by Cooke, Troughton... 3. Cambridge Regulator with Meter Measuring Heat, Associated with... 4. Control Panel of Electrocardiograph for Neurophysiology Experiments,... 5. Galvanometer in Mountable Glazed Box, Associated with Neurophysiology... 6. Duchess of Marlborough's Scales 7. Telegraph Repeater or Morse Sounder, by Elliott Brothers (London)... 8. Plug-In Pattern Resistance Box with Constantan Coils, by W.... 9. Telegraph Repeater, Morse Sounder, ?Early 20th Century 10. Morse Key and Attachment, by Siemens Bros. & Co. Ltd., London,... 11. Tuning condenser? 12. Large Marine Charging Switchboard, by Marconi Company, London,... 13. Kymograph, by C. F. Palmer, London, before 1934? 14. Medical Sledge-type Induction Coil 15. Perpetual Calendar 16. Trembler Coil, by Marconi Company, English, c. 1907 17. Replica Righi Oscillator, Late 20th Century 18. Portable Valve Transmitter, by Marconi Company, London, 1919 19. Gray Magnetic Relay Key, by Marconi Company, London, c. 1910 20. Replica Righi Oscillator, Late 20th Century 21. Replica Righi Oscillator, Late 20th Century 22. 'Marconi' Auto-Alarm Morse Key Type 316A, by Marconi Company,... 23. Amplifier Type 91, by Marconi Company, London, c. 1918 24. 'Marconi' Auto-Alarm Buzzer Type 225, by Marconi Company, English,... 25. Marconiphone Two-Valve Receiver Type V2A and accompanying Headphones,... Next Results >
