- Series592 - Records of the Commonwealth Solar Observatory (Mt Stromlo) and Duffield Family
- 94 more...
- Item95 - Certificate for WG Duffield from Federal Capital Territory Citizens' Representation League
- Item96 - Program of official opening of Parliament House, Canberra
- Item97 - Menu for dinner held for Sir John and Lady Butters
- Item98 - Menu for dinner held for Commonwealth Surveyor General JTH Goodwin
- Item99 - Temporary police pass for opening of Parliament House, Canberra
- Item100 - Letter to Mrs Duffield from CW Allen of Mt Stromlo thanking her for gift of tennis court net
- Item101 - Photographs of Hotel Canberra
- Item102 - Photographs of Mt Stromlo and Duffield Family
- Item103 - Photographs of Cotter Dam, Murrumbidgee River and views from Mt Stromlo
- 89 more...
