- Series615 - Records of the Commonwealth Solar Observatory (Mt Stromlo) and Kurt Gottlieb
- 663 more...
- Item664 - Blueprint - Johnson's photometer filter box filter and aperture details
- Item665 - Blueprint - Johnson's photometer filter box eyepiece assembly
- Item666 - Blueprint - Johnson's photometer filter box assembly
- Item667 - Blueprint - cassegrain scanner optical parts
- Item668 - Blueprint - cassegrain telescope
- Item669 - Blueprint - cassegrain telescope
- Item670 - Blueprint - track and trolleys for observation dome of Scotch College
- Item671 - Blueprint - reynolds telescope general arrangements of cassegrain and newtonian mirrors
- Item672 - Blueprint - 74 inch telescope coude spectrograph modifications to alignment mirror
- 34 more...
