File:Final Report - The Columbia River Interstate Bridge - Manufacturing the Steel.jpg
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Summary
| Description |
English: MANUFACTURING THE STEEL.
The machinery for operating the lift span is here seen assembled complete in the shop where it was made, and placed on the structural members. This was done to insure accurate fitting of the parts. The simplicity of the operating machinery is apparent. |
| Date | |
| Source | https://en.wikisource.org/wiki/Page:Final_Report_-_The_Columbia_River_Interstate_Bridge.pdf/29 |
| Author |
John Lyle Harrington Ernest Emmanuel Howard |
Licensing
|
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
 Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:50, 27 January 2022 | | 1,366 × 1,059 (699 KB) | Sp1nd01 | Uploaded a work by John Lyle Harrington Ernest Emmanuel Howard from https://en.wikisource.org/wiki/Page:Final_Report_-_The_Columbia_River_Interstate_Bridge.pdf/29 with UploadWizard |
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