But about 5840 Ranke suggested, and von Sybel in his Geschichte des ersten Kreuzzuges proved, that Albert of Aix was not a good authority, and that consequently William of Tyre must be set aside for the history of the First Crusade, and other and more contemporary authorities used.
In writing his account of the First Crusade, von Sybel accordingly based himself on the three contemporary Western authorities - the Gesta Francorum, Raymond of Agiles, and Fulcher.
From one cause or another, principally Ottilie von Goethe's extravagance, the family was in very straitened circumstances; and the brothers, being thoroughly unbusinesslike, believed themselves to be poorer than they really were.
The engines were built on the Worsdell and Von Borries plan, and were fitted with an ingenious startingvalve of an automatic character to overcome the difficulties of starting.
Subsequent explorers were Captain Edwards of the "Pandora" in 1791, and Otto von Kotzebue in 1824.