File:Pioneer Zephyr frame photo 1.jpg
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Pioneer_Zephyr_frame_photo_1.jpg （314 × 396 像素，檔案大小：39 KB，MIME 類型：image/jpeg）
摘要
| 描述 | Photo of the frame of the Pioneer Zephyr while under construction. From the brochure:"All stress members and weight-sustaining parts consist of U-shaped struts and beams, "shot-welded" for maximum strength combined with lightness". | |||
| 日期 | The train went into revenue service beginning 11 November 1934. The brochure mentions the various US tours the train was on prior to its entry into regular service. | |||
| 來源 | back | |||
| 作者 | Chicago, Burlington and Quincy Railroad/printed by Gusdorf-Warren Printing Company, Chicago. | |||
| 其他版本 |
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- There are no copyright markings on the front or back of the brochure, but because I am not able to examine the complete mid-section of it, a copyright search for any possible renewals was done.
- Copyright renewals for books, pamphlets and periodicals for the years 1961 and 1962 were done, with the focus being on anything from the Chicago, Burlington and Quincy Railroad.
- The above mentioned searches turned up no renewals of any type for the railroad. While I believe the brochure was never copyrighted, I have chosen to license it as PD-not renewed to be certain.
授權條款
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本作品在美國屬於公有領域，是因為該作品是在1929與1963年之間出版，沒有在該作品增加著作權聲明，且沒有進行著作權更新。除非此作品之作者已經過世一段時間，並達到公有領域所要求的條件，這類美國作品在其他不適用較短期限法則的國家或地區屬於有著作權狀態，如加拿大（作者過世後70年）、中國大陸（作者過世後50年，港澳除外）、德國（作者過世後70年）、墨西哥（作者過世後100年）、瑞士（作者過世後70年）與其他已簽署個別協議的國家。更多資訊請參考Commons:Hirtle chart。
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| 日期/時間 | 縮圖 | 尺寸 | 使用者 | 備註 | |
|---|---|---|---|---|---|
| 目前 | 2012年7月8日 (日) 17:26 | | 314 × 396（39 KB） | Renamed user 995577823Xyn | {{Information |Description=Photo of the frame of the Pioneer Zephyr while under construction. From the brochure:"All stress members and weight-sustaining parts consist of U-shaped struts and beams, "shot-welded" for maximum strength combined with ligh... |
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