Summary portfolio of Otto Koenigsberger's architectural works, 1928-1941. The portfolio is incomplete, with only panels 1-5 and 12-13 surviving. Panels 1 to 2 provide a textual summary, site plan and development diagram for Koenigsberger's proposed development of  Bhadravathi; panels 3 to 5  provide a textual summary and development diagrams for his proposed development of Bengaluru; panel 12 includes a photograph and sectional diagram for a high power transformer hall supervised by Koenigsberger for AEG in Berlin, in 1928, and two photographs of timber trusses claimed by Koenigsberger to be the first used in Mysore; panel 13 includes a textual summary, a site plan and a birds eye perspective of his proposed extension to the Egyptian Museum in Cairo, 1937.