Other rewards were on offer for those who presented methods that worked within 80 geographical miles of the coast (being the most treacherous part of voyages) and for those with promising ideas who needed help to bring them to readiness for trial. Many rewards were paid out over the 114 years of the Board of Longitude's existence. John Harrison received more money than any other individual, with several rewards from the 1730s–1750s, and £10,000 in 1765.
The Board of Longitude offered rewards for innovative methods that worked within 80 miles of the coast, which was considered the most dangerous part of voyages. They also provided financial assistance to those with promising ideas who needed help bringing them to a practical stage. Over the course of its existence, the Board paid out numerous rewards. John Harrison received more money than anyone else, receiving several payments from the 1730s–1750s and £10,000 in 1765.