Photograph; Plate Department 'Air-Conditioning Plant'; Abbotsford; circa 1930s; Black and white photograph depicting the air-conditioning plant in the Plate Department. Air to the drying room is distributed and filtered by a wall to wall closely fitted filter 3 feet from the ceiling. The image is number 7 in a series depicting the Plate Department at the Kodak Australasia Pty Ltd factory at Abbotsford; circa 1930s. collection of products;