As a child, my father would take me on that ride to a shipyard at the foot of Spadina to see the launchings of Minesweepers during WWII.
Before my time, by a few decades; incredibly interesting.
So I went looking for info.
Here's some material on that:
I believe this may be a picture of yards in question, but can't be certain:
Taken from here: https://en.wikipedia.org/wiki/Naval...media/File:Launchingof1000CanadianVessels.jpg