Slides made by Rudolf Donninger during his time in Belleville, Ontario, working at Northern Electric. They include photographs of buildings in Belleville, rural scenes, cars, a parade and the Belleville Fair in 1970, winter scenes, Ottawa and Kingston views, and aircraft at the Trenton Air Show.

Postcards of the Administration Building at R.C.A.F. Trenton and of the London Lunch restaurant at 174 Front Street, Belleville, Ontario.