- Series615 - Records of the Commonwealth Solar Observatory (Mt Stromlo) and Kurt Gottlieb
- 657 more...
- Item658 - Blueprint - moveable frame for determining magnitudes
- Item659 - Blueprint - moveable frame for determining magnitudes
- Item660 - Blueprint - moveable frame for determining magnitudes
- Item661 - Blueprint - Johnson's photometer filter box details
- Item662 - Blueprint - Johnson's photometer filter box details
- Item663 - Blueprint - Johnson's photometer filter box body and top plate
- 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
- 40 more...
