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File:Keystone B-6 twin-engine airmail plane in snow storm, 1920.jpg

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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.
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来源

Photograph of de Havilland twin-engine airmail plane in snow storm

作者 Smithsonian Institution from United States

许可协议

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This image, originally posted to Flickr, was reviewed on March 22, 2011 by the administrator or reviewer File Upload Bot (Magnus Manske), who confirmed that it was available on Flickr under the stated license on that date.

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无已知著作权限制 Chinese (Taiwan)（已转写）

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无已知著作权限制 Chinese (Taiwan)（已转写）

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当前2014年8月13日 (三) 21:032014年8月13日 (三) 21:03版本的缩略图2,388 × 1,271（896 KB）TillmanCropped < 1 % horizontally and 34 % vertically using CropTool with lossless mode.
2011年3月22日 (二) 03:412011年3月22日 (二) 03:41版本的缩略图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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检索自“https://zh.wikipedia.org/wiki/File:Keystone_B-6_twin-engine_airmail_plane_in_snow_storm,_1920.jpg”