Random triples
| Subject | Object |
|---|---|
| gptkb:Davy_lamp | modern gas detectors |
| gptkb:Linotype_machine | computer typesetting |
| gptkb:Transatlantic_telegraph_cable | satellite communication |
| gptkb:Transcontinental_Telegraph | fiber optic communication |
| gptkb:Chain_Home_system | computerized radar systems |