History of Science Museum: Collection Database Search

20 records found.

Records with Images

(Followed by: text only records)

1. 12 Volt Fleming Valve, by Ediswan, London, c. 1905

2. Gray Magnetic Relay Key, by Marconi Company, London, c. 1910

3. Triple X-Stopper, by Marconi Company, London, Early 20th Century

4. Variable Pitch Generator Windmill, Early 20th Century

5. 4 Volt Fleming Valve, by Royal Ediswan, London, c. 1905

6. Otis King's Cylindrical Slide Rule, by Carbic Ltd, London,...

7. Clinical Metallic Thermometer, by Mayer & Co, London, c.1900

8. Pedometer, by Henri Chatelain, French, Early 20th Century

9. Large Marine Charging Switchboard, by Marconi Company, London,...

10. Large Iolanda Transformer With Case, Early 20th Century

Text Only Records

(Preceded by: records with image previews)