Pair of folded full size original blueprints from the 1967 World Exhibition general exhibit contractors, Ivel of Canada Ltd.. Marked further and produced for the Canadian Corporation for the 1967 World Exhibition. The blueprints are marked “Facilitating Functions Track Unit” and “Physical Functions Track Unit & Exchange Functions Track Unit.
This is a one of a kind Expo collectible. These have been filed stored but do show some less then normal edge curling and small tears and darkening of blueprint paper along with discoloring along the fold marks. Each is approximately 43″ x 35.