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