In 1839 Tyers was transferred from the Royal Navy to the Colonial Service and instructed to ascertain the precise longitude at the mouth of the Glenelg River so that a distance to the 141st meridian (the eastern border) could be measured.
Tyers was transferred from the Royal Navy to the Colonial Service. This was in 1839. Tyers was instructed to ascertain the precise longitude at the mouth of the Glenelg River so that a distance to the 141st meridian (the eastern border) could be measured. This was in 1839.