Search for all terms: Material: Brass Page 1 of 2110 records found. Displaying 25 50 100 200 at a time.Next Results > Records with Images1. Armillary Sphere, Italian?, c. 1580 2. Level For Use With a Telescope 3. Clockwork Repeating Mechanism, c. 1780-90 4. Abney's Clinometer, English, c. 1865 5. Architectural and Mathematical Model, English?, 1620 6. Tuned Field Transmitter, by Marconi Company, English, 1907 7. Marconi's Parabolic Transmitter, by Guglielmo Marconi, English,... 8. Marconi Crystal Receiver A Type RB3, by Marconi Company, English,... 9. Morse Key, by Marconi Company, English, c. 1900 10. 1901 Transatlantic Self-Restoring Coherer, by Lieutenant Luigi... 11. Grasshopper Send-Receive Morse Key, by Marconi Company, English,... 12. 'Long Tom' Aerial Tuning Inductance Coil, by Marconi Company,... 13. Marconi's Coherer Receiver, by Guglielmo Marconi, English,... 14. Octant with Case, by J. W. Norie & Co., London, 1816-1839 15. Scales and Cup Weights in Case, by Mary De Grave, London, c.... 16. 'Marconi' Auto-Alarm Bell Type 117, by Marconi Company, English,... 17. Giant Radio Valve, by GEC, English, 1910s 18. American-Type Radio Tube, USA, 20th Century 19. Philips Radio Valve Type R, by PhilIps, Holland, 1920s 20. American-Type Radio Tube, USA, 20th Century 21. American-Type Radio Tube, USA, 20th Century 22. Fama Radio Valve Type R, by Fama, Holland, c. 1916 23. American-Type Radio Tube, USA, 20th Century 24. Marconi Radio Valve Type DEQ, by Marconi Company, English,... 25. Brass-Tipped Bone Stylus, c. 1902 Next Results >
