Early papers regarding the Aquarium at London Zoo, including correspondence, price lists, reports on visits to Hamburg, Berlin, Brussels and Dresden

Estimate for the Formation of the Proposed Aquarium under the Mappin Terraces, 1922; Building Contract between ZSL and J Jarvis & Sons, 1922; notes on progress, 1923; details of costs, 1924; plan of new flue pipe in the Aquarium, undated.

Correspondence and memos on the Aquarium

Plan, section and elevation drawings and blueprints relating to the construction of the Aquarium, London Zoo, dated July 1922 to August 1923. Also included are typewritten notes on the tank specifications; one sheet giving details for doors of the tea pavillion on the Mappin Terrace, dated February 1926. Some hand annotations and watercolour details added. Architect/engin

Plan, section and elevation drawings relating to the construction of the Aquarium, London Zoo, dated May 1922 to March 1923, and the remodelling, dated April to May 1956. Also included is a section blueprint of the proposed aquarium planned with the construction of the Mappin Terrace, dated April 1913. Some hand annotations and watercolour details added. Architect/engin eer/designer: Sir Alexander Gibb & Partners, Engineers; Belcher & Joass, Architects; CA & AW Haward Ltd, Engineers; ZSL Architects' Department.