11. The products produced had more in common with earlier American designs than traditional English fusee watches. 12. The fusee is a specially cut conical pulley attached by a fine chain to the mainspring barrel. 13. Since a fusee can only be used once, it is normally reserved for emergency use only. 14. If a following train encountered a burning fusee it was not to pass until the fusee burned out. 15. If a following train encountered a burning fusee it was not to pass until the fusee burned out. 16. The most common and efficient contrivance developed for this purpose was a cone-shaped spindle called a fusee . 17. In spring-driven clocks and watches it required a fusee to even out the force of the mainspring. 18. During the industry's height there were three fusee factories in the town and a large cottage industry. 19. However, in the days before train radio communications, fusees were used to keep trains apart in dark territory. 20. In forestry and firefighting, fusees are sometimes used in wildland fire suppression and in the ignition of controlled burns.
