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Airmail (or air mail) is a mail transport service branded and sold on the basis of at least one leg of its journey being by air. Airmail items typically arrive more quickly than surface mail, and usually cost more to send. Airmail may be the only option for sending mail to some destinations, such as overseas, if the mail cannot wait the time it would…
History, Introduction of the aeroplane & Philately
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mail first service air flight may carried united aircraft postal pilot used official scheduled also letter states stamps transport time
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Airmail | related to Air-speeded | It | 0.60 | section |
| Airmail | related to Air-speeded | Generally | 0.60 | section |
| Airmail | related to Early airmails | Specific | 0.60 | section |
| Airmail | related to Early airmails | Although | 0.60 | section |
| Airmail | related to Early airmails | January | 0.60 | section |
| Airmail | related to Early airmails | Dover | 0.60 | section |
| Airmail | related to Early airmails | France | 0.60 | section |
| Airmail | related to Early airmails | Calais | 0.60 | section |
| Airmail | related to Early airmails | It | 0.60 | section |
| Airmail | related to Early airmails | Jean-Pierre Blanchard | 0.60 | section |
| Airmail | related to Early airmails | John Jeffries | 0.60 | section |
| Airmail | related to Early airmails | The | 0.60 | section |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
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