Page:Travels to Discover the Source of the Nile - In the Years 1768, 1769, 1770, 1771, 1772, and 1773 volume 1.djvu/145

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III.

AVING now provided every thing necessary, and taken a rather melancholy leave of our very indulgent friends, who had great apprehensions that we should never return; and fearing that our stay till the very excessive heats were past, might involve us in another difficulty, that of missing the Etesian winds, we secured a boat to carry us to Furshout, the residence of Hamam, the Shekh of Upper Egypt.

sort of vessel is called a Canja, and is one of the most commodious used on any river, being safe, and expeditious at the same time, though at first sight it has a strong appearance of danger.

on which we embarked was about 100 feet from stern to stem, with two masts, main and foremast, and two monstrous Latine sails; the main-sail yard being about 200 feet in length.

structure of this vessel is easily conceived, from the draught, plan, and section. It is about 30 feet in the beam, and about 90 feet in keel.

keel is not straight, but a portion of a parabola whose curve is almost insensible to the eye. But it has this good