This collection of illustrations by local artist Thomas Hair (c.1810-1875) depicts the mining industry and the coal trade in the North East in the nineteenth century. The illustrations are based on Hair's watercolours on the same topic. The illustrations in the collection highlight numerous aspects of the region's mining heritage, including collieries, machinery, and river trade scenes. Many of the illustrations also show the everyday workings of the industry and those involved in it.

The collection consists of Herbert Loebl's business and personal records.

The business records contain group papers, sales and marketing files, finance files and general correspondence files for the following engineering and knowledge transfer enterprises with which Herbert Loebl was involved in his lifetime:

The collection also contains a number of annotated scrapbooks which trace the history of Loebl's engineering enterprises through photographs, newspaper cuttings and other ephemera.

Herbert Loebl's academic collection contains his early student notebooks from his degree studies in Electrical Engineering, and notes and source material for his subsequent doctoral thesis and Jewish history research. The collection also includes his certificates and various degree ceremony photographs.

Herbert Loebl received various awards during his lifetime and his personal collection includes photographs, newspaper clippings, scrapbooks, and letters of congratulations regarding his many honours.