glass covered slide, silver mat, red tape edges. Depicts a railroad car containing a large silver tank. Car reads "CGBX 652." Recto inscription, top right, "28."

glass covered slide, silver mat, red taped edges. Black tape over bottom edge of image. Depcits illustration of liquid air turck. Truck reads "Canadian Liquid Air Company." Recto top right inscription, "36."

glass covered slide, silver mat, red taped edges. Depicts tanker truck in front of building. Back of truck reads "Liquid Oxygen produced by Canadian Liquid Air Company" Building sign reads "Canadian Liquid Air Co Ltd."

slide in cardboard mount. Image taken from deck of cargo ship in port. Recto captions in blue- top left: "date," right side: "made in Canada," left side: "Patented," bottom edge: "Project from this side arrow shows position." Verso captions in blue- "Mitchell Photo Supply Ltd. Dominion Sq., Montreal," bottom centre: "Processed by Etco."

slide in cardboard mount. Depicts semi tanker trailer and front end of orange pickup truck inside a warehouse. Recto inscription, top, blue ink: "Feb '57 Westeel prototype semi trailer." Recto captions in blue- top left: "date," right side: "made in Canada," left side: "Patented," bottom edge: "Project from this side arrow shows position." Verso captions in blue- "Mitchell Photo Supply Ltd. Dominion Sq., Montreal," bottom centre: "Processed by Etco."

silde with cardboard mount. Depicts deck of cargo ship win harbour. Tugboat and other ships visible. Recto caption, top , blue ink: "Sunherdesson- bridge front and hatch covers." Recto captions in blue- top left: "date," right side: "made in Canada," left side: "Patented," bottom edge: "Project from this side arrow shows position." Verso captions in blue- "Mitchell Photo Supply Ltd. Dominion Sq., Montreal," bottom centre: "Processed by Etco."

slide with cardboard mount. Depicts stell taker trailer in warehouse along with two figures. Recto inscription top, in blue ink: "Feb '57 Westeel Prototype Semi Trailer." bottom left: "10." Recto captions in blue- top left: "date," right side: "made in Canada," left side: "Patented," bottom edge: "Project from this side arrow shows position." Verso captions in blue- "Mitchell Photo Supply Ltd. Dominion Sq., Montreal," bottom centre: "Processed by Etco."

Matte gsp with no borders. Depicts a city landscape centred on a large building, which has signs reading, "Margaretaskolen," "Hotell Stockholm," "Aftonbladet," "SAS," "GULF," and "British European Airways." No inscriptions.

gelatin silver print with white border and scalloped edges. Depicts a covered bridge, river, road and brush landscape. Sign at left of bridge entrance reads "speed 10 miles, load limit 2 tons." Verso inscription, blue ink: "Longest Hartford Covered Bridge N.S."

Mounted image of people in little carts.