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Rotary Spark Discharger, c. 1906
Inventory Number: 64999
Number of documents: 1
Document Type: Miscellaneous Note
Document Heading: Historical Background
Text:
The steel disc in this rotary spark discharger was the first to be installed for commercial sparks with a musical note, used at Poldhu in 1907. The brass disc associated with this object was used at the Macroni Wireless Station at the Haven Hotel near Poole in 1906 for experiments on musical spark transmission.
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