Endnotes

• Sixty-three. —⁠ Tr. ↩
• As Sir Humphry Davy died in 1829, the translator must be pardoned for pointing out here an anachronism, unless we are to assume that the learned Professor’s celebrity dawned in his earliest years. —⁠ Tr. ↩
• In the cipher, audax is written avdas , and quod and quem , hod and ken . —⁠ Tr. ↩
• The degrees of temperature are given by Jules Verne according to the centigrade system, for which we will in each case substitute the Fahrenheit measurement. —⁠ Tr. ↩
• Recherche was sent out in 1835 by Admiral Duperré to learn the fate of the lost expedition of M. de Blosseville in the Lilloise which has never been heard of. ↩
• In M. Verne’s book a “manometer” is the instrument used, of which very little is known. In a complete list of philosophical instruments the translator cannot find the name. As he is assured by a first-rate instrument maker, Chadburn, of Liverpool, that an aneroid can be constructed to measure any depth, he has thought it best to furnish the adventurous professor with this more familiar instrument. The “manometer” is generally known as a pressure gauge. —⁠ Tr. ↩