From the Yonge Street Wharf the bill of lading for the Steamboat Admiral bound for the Port of Whitby dated 1 July 1852.
It makes for interesting reading...
I found this interesting note on line about the first Captain a certain Wm Gordon (who didn't last long)....
"was a noted sailor of the old school, and had all the feelings and prejudices of his class against any innovation of established rules of all sailing crafts, and had a most thorough contempt of steam as a means of propelling power, which he said was a humbug, "a delusion and a snare."