- Search for the missing Harrison manuscript via New Scientist
- Transcription of Harrison's mathematical description of his Natural Scale of Musick from Concerning Such mechanism....... (his18th century writings on music)
- Transcription of Harrison's Concerning Such mechanism....... (his COMPLETE 18th century writings on music) BEWARE! This is a very long (86K) html page.
- Download .zip (for PC and Amiga) transcription of Harrison's Concerning Such mechanism....... (his 18th century writings on music) - csm.zip (30 KB)
- Download .sit (for Mac)
transcription of Harrison's Concerning Such mechanism....... (his
18th century writings on music) - csm.sit (31 KB)
- Read The Cosmic Elk book on Harrison
- National Maritime Museum webpages on John Harrison and the Longitude problem
- Information and extracts from Dava Sobel book Longitude
- LONGITUDE film from Granada Films and Channel 4 broadcast January 2000 - The plot and details.
- NOVA Online - Lost at Sea: The Search for Longitude
- Biographical notes on 17th and 18th century mathematicians. (Harrison's contemporaries)
- Robert Smith DD FRS comments on John Harrison's tuning ideas, from his book Harmonics or the philosophy of musical sounds Cambridge MDCCXLIV (1744)
- Longitude - A Horizon 1999 special - about John 'Longitude' Harrison.
- Pictures associated with Harrison
