Queensland State Archives posted a photo:
From the Queensland Heritage Register.
The Mackay Sugar Research Institute was constructed in 1953 by builder Don Johnstone to a design by prominent architect Karl Langer. Initially, only one section, the eastern wing, was constructed, with the second or western wing opened in August 1966. Mackay architect HVM Brown prepared plans for the second stage of the building in 1963 based on Langer’s original design.
Following the exploration and mapping of pastoral runs in the Mackay district in the early 1860s, the fertile land was soon reduced to smaller selections. It was found that the region was particularly suited to the growing of sugar cane and by 1870 the production of sugar was the region’s principal industry. The development of the industry was assisted by the opening of a State Nursery in 1889. Originally built to explore the suitability of diverse forms of agriculture, the ‘Lagoons’ site