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On this day in 1925, President Coolidge would sign the 'Kelly Act', the starting point of development of regular airmail for the US Post Office, and the DH.4 would become its workhorse
| Exposure Time | 1/640 s |
| ApertureFNumber | f/4.0 |
| ISO | 1250 |
| Model | Canon EOS 5D Mark II |
| Lens | EF17-40mm f/4L USM |
| Focal Length | 24 mm |
| Date Time of Original | 2013:07:08 10:40:31 |
- Author
- Robin MORET
- Created on
- Monday, July 8, 2013
- Posted on
- Monday, September 6, 2021
- Dimensions
- 2329*1920
- Tags
- #aviationhistory, #onthisdauinaviationhistory, #onthisdayinaviation, #onthisdayinaviationhistory, #otd, #otd #aviationhistory #onthisdayinaviationhistory, 2013, Airco, De Havilland, DH.4, Evergreen Air Museum, McMinnville, Oregon, USA
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