Random triples
Subject | Object |
---|---|
gptkb:Maksutov-Cassegrain | 60mm to 180mm |
gptkb:Dobsonian_telescope_design | 6 to 30 inches |
gptkb:Dobsonian_telescope | 6 to 30 inches |
Subject | Object |
---|---|
gptkb:Maksutov-Cassegrain | 60mm to 180mm |
gptkb:Dobsonian_telescope_design | 6 to 30 inches |
gptkb:Dobsonian_telescope | 6 to 30 inches |