File:Keystone B-6 twin-engine airmail plane in snow storm, 1920.jpg
原始文件 （2,388 × 1,271像素，文件大小：896 KB，MIME类型：image/jpeg）
摘要
| 描述 |
Date: c.1934 (not 1920) Object number: A.2010-4 Medium: paper; photo-emulsion Dimensions (Unframed): 8" x 10" Description: Keystone B-6 (not De Havilland), of the US Army Air Corps. In their drive to open up a transcontinental flyway, postal officials were constantly seeking better, faster aircraft for their pilots to use. When a determination was made to reconfigure the de Havilland aircraft by adding a second engine, postal officials believed they had found their airplane. The first trips were the only successful ones for this airplane. Soon reports were flooding Air Mail Service headquarters of crashes and mechanical problems with the airplanes. After a series of fatal crashes the twin de Havillands (sic) were removed from service. A fuel truck and three unidentified men are in the foreground of this airmail plane in the snow. Photographer: Unknown Place: United States of America Collection Description: Transportation/Aviation Credit line: National Postal Museum, Curatorial Photographic Collection Photographer: Unknown Repository: National Postal Museum, Curatorial Photographic Collection View more collections from the Smithsonian Institution. |
| 日期 | |
| 来源 |
Photograph of de Havilland twin-engine airmail plane in snow storm
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| 作者 | Smithsonian Institution from United States |
许可协议
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此张图片原发布于Flickr，在March 22, 2011由管理员或审查员File Upload Bot (Magnus Manske)检查后，确认检查时图片在Flickr的版权声明与维基共享资源的版权使用方针相符。 |
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| 日期/时间 | 缩略图 | 大小 | 用户 | 备注 | |
|---|---|---|---|---|---|
| 当前 | 2014年8月13日 (三) 21:03 | | 2,388 × 1,271（896 KB） | Tillman | Cropped < 1 % horizontally and 34 % vertically using CropTool with lossless mode. |
| 2011年3月22日 (二) 03:41 |  | 2,388 × 1,919（1.27 MB） | File Upload Bot (Magnus Manske) | {{Information |Description='''Date: ''' 1920 '''Object number:''' A.2010-4 '''Medium:''' paper; photo-emulsion '''Dimensions (Unframed):''' 8" x 10" '''Description:''' In their drive to open up a transcontinental flyway, postal officials were cons |
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