- Series592 - Records of the Commonwealth Solar Observatory (Mt Stromlo) and Duffield Family
- 102 more...
- Item103 - Photographs of Cotter Dam, Murrumbidgee River and views from Mt Stromlo
- Item104 - Book of unidentified photographic negatives
- Item105 - Photographs of funeral for WG Duffield
- Item106 - Photographs of turning of first sod for new Duffield Building
- Item107 - Framed photograph of Mount Stromlo Observatory
- Item108 - Letter from Admiralty House to Mrs DT Duffield regarding unveiling of plaque for WG Duffield at St John's Church, Canberra
- Item109 - Letter from Archdeacon of Canberra to Mrs Duffield regarding donation to repair organ at St John's Church, Canberra
- Item110 - Notes for speech given by Joan Duffield at opening of new Duffield Building
- Item111 - Letter to Mr O'Connor from Joan Duffield regarding financial contributions to Mt Stromlo for construction of heliostat
- 81 more...
