Videos from Baffle Productions. They were made by Andy Agostino by video recording Professor McQueen giving a lecture in a fireside manner.
From this and the power point slide presentation, he merged the sound track with the slides to provide a clear image of them. 
This project was carried out in association with Sam Allison, a retired high school history teacher, who is the local director of the Jeanie Johnston Foundation with the objective of providing teaching aids for science and history classes. The information on the Victoria Bridge is one vital link in a project on the Grand Trunk Rail Road.