Current record mode: documents


609 of 655 records      previous / next

Replica Morse Key, Late 20th Century

Inventory Number: 94821

Number of documents: 1

Document Type: Miscellaneous Note

Document Heading: Historical Background


This is a replica of the Morse key used by Marconi during his experiments at the Haven Hotel, Poole leading to the development of his specification for tuning which resulted in the 'Four Sevens', 7777 Patent of April 1900.

609 of 655 records      previous / next

Record mode: Basic | Medium Images | Large Images | Documents (1)