| 11. | US & S and WRRS wigwags were also used by the CPR on its Canadian lines.
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| 12. | The Magnetic Flagman wigwag waves its target with large, black electromagnets pulling against an iron armature.
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| 13. | There are a number of US & S wigwags that have been preserved and restored by museums.
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| 14. | A total of 44 states have at least one railroad crossing having a wigwag as its warning device.
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| 15. | They would wigwag at an Aboriginal, seeking to learn the name of some particular place or physical feature.
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| 16. | The wigwag, the last " Model 10 " in active use, was replaced by standard highway flashers.
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| 17. | The first known building on the site was a small wayside inn built in 1820 and named Tecumseh Wigwag.
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| 18. | There are several US & S wigwags employed today in Chile, but little literature about this style has survived.
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| 19. | PE operated frequent freight trains under electric power throughout its service area ( as far as 65 miles ) to wigwag.
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| 20. | In the interest of safety, signs will be posted at the wigwags stating that the signals are non-operational.
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