From Citizendium, the Citizens' Compendium
(PD) Photo: Smithsonian Institution
Union Refrigerator Line refrigerator car #6699, used to transport milk, cheese, and eggs.
(PD) Photo: Lycurgus S. Glover
Rows of reefers in various stages of construction fill MDT's car shop, circa 1905.
(PD) Photo: Unknown
The interior of a typical ice-bunker reefer from the 1920s; the wood sheathing would give way to plywood within twenty years. Vents in the bunker at the end of the car, along with slots in the wood floor racks, allowed cool air to circulate around the contents during transit.
(PD) Photo: Swift Brands
A view of the Swift Brands Sioux City, Iowa meat packing plant, circa 1917. All but one of the refrigerator cars in the photo bear the markings of the Swift Refrigerator Line.
(PD) Photo: William B. Barry
A Swift refrigerator car has reached the end-of-the-line at East Orange, New Jersey. The car has been repainted and was photographed in mid- or late-1937, after the use of "billboard" advertising on freight cars had been banned by the Interstate Commerce Commission, and such cars could no longer be accepted for interchange between roads.
(CC) Photo: Tom Stolte / TrainWeb.com
A wood-sided refrigerator car of the American Refrigerator Transit Company specially-designated for dairy products, circa 1940.
© Photo: Soph Marty
An early version of a field icing car loads a Merchants Despatch Transportation Co. reefer (bearing the herald of the GM&O) in Norfolk, Virginia in April 1955.
© Photo: Harvey Henkelmann
Tropicana refrigerated box car #250.
(PD) Photo: Garitzko
Interfrigo's refrigerated vans are designed for the transportation of bananas.