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Springfield Armory National Historic Site
The Electrical Era
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Springfield Armory NHS, US NPS
The Twentieth Century brought more that the change from steam to electrical power. New techniques of metallurgy, of preserving metals, and of applying machine power to manufacturing were pioneered at the Armory. With the introduction of the M1, which could not be manufactured on the Armory’s ancient machinery, modern and more efficient equipment was designed and installed.
The two world wars caused dramatic, if temporary, changes in the work force as women replaced men in many jobs. After the Second World War research and development replaced manufacturing as the Armory’s preeminent function.
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Springfield Armory NHS, US NPS
The ELECTRICAL ERA exhibit area, cases 65, 66, 67, & 67
Springfield Armory NHS, US NPS CASE 65
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MAKING THE PEEP SIGHT The M1 was a totally machine-made weapon. These photographs document the numerous steps required just to make one small component, the rear peep sight. Note that it begins as part of a steel ring cut from a long tube.
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| Springfield Armory NHS, US NPS |
| Shown above is a US M1 Rifle with the rear sight, a "peep" sight in which the shooter aligns the front sight through a small hole, is shown fully raised for long range shooting. |
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| Springfield Armory NHS, US NPS |
| Even a relatively simple part of the M1, like the rear peep sight, required many steps to complete. The Army produced many display boards like this to demonstrate the M1 manufacturing processes. |
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| Springfield Armory NHS, US NPS |
| 1. Cutting steel tubing to length |
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| Springfield Armory NHS, US NPS |
| 2. Grinding surface of rings |
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| Springfield Armory NHS, US NPS |
| 3. Internal broaching of surface for peep sight hole |
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| Springfield Armory NHS, US NPS |
| 4. Turning edge |
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| Springfield Armory NHS, US NPS |
| 5. Warner Swazey Hand Screw Machine rough cut |
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| Springfield Armory NHS, US NPS |
| 6. Milling edge |
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| Springfield Armory NHS, US NPS |
| 7. Fellows gear shaper |
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| Springfield Armory NHS, US NPS |
| 8. Broaching into sections |
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| Springfield Armory NHS, US NPS |
| 9. Brown & Sharpe miller cutting guide slots |
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| Springfield Armory NHS, US NPS |
| 10. Drilling and countersinking peep sight |
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| Springfield Armory NHS, US NPS |
| 11. Knurling face |
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| Springfield Armory NHS, US NPS |
| 12. Parkerizing peep sights |
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Springfield Armory NHS, US NPS CASE 66 WOW Kerchief During World War II, when great numbers of men were in military service, their places on Armory production lines were taken by WOWs – Women Ordnance Workers. At one point some 45% of the Armory work force was made up of women. Kerchiefs like this helped boost morale among these women and also served a safety function by keeping long hair from being caught in machines.
WOWs The demand for skilled labor, regardless of religious or ethnic background, had long been a characteristic of Springfield Armory and had influenced the community which grew up around the facility. The two World Wars of the Twentieth Century created additional demands for labor, demands that could only be met by hiring women. During World War II Women Ordnance Workers, with their distinctive bandannas, contributed to the high productivity of the Armory.
Springfield Armory NHS, US NPS CASE 67
In Two World Wars
In the midst of the technology of machines and weapons it is easy to lose sight of the fact that the workers were the Armory’s most valued resource. Persons with a wide variety of skills and aptitudes were required, not only to build the weapons, but to provide support functions to the Armory’s operations. These posters, badges, and other memorabilia from the period of the two World Wars help remind us of the human side of the Armory’s history.
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Did You Know?
Freedom is not standing still. A symbolic feature that people cannot see is the broken chain wrapped around the Statue's feet. Protruding from the bottom of her robe, the broken chains symbolize her free forward movement, enlightening the world with her torch free from oppression and servitude.
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Last Updated: March 26, 2009 at 16:06 EST |