2src: https://digitalarchive.tpl.ca/internal/media/dispatcher/1903572/fullAerospace Scientists at the University of Toronto Institute for Aerospace Studies are working on 105 research projects in their laboratories on Duffer(...)12/30/1968Griffin, DougTSPA_0115867F7593242236306src: https://digitalarchive.tpl.ca/internal/media/dispatcher/1904352/fullUniversity of Toronto's Vacuum sphere at Institute for Aerospace Studies, North York12/30/1968Griffin, DougTSPA_0115868F7593631236695