Pioneers of Fuse Manufacturing in Michigan’s Mining Era In 1862, the Lake Superior Safety Fuse Company began its journey in Eagle River, amid the thriving copper mining industry of the Upper Peninsula. With deep roots in Cornwall, England, and an innovative spirit, the company evolved into J. Blight & Sons, leaving a legacy of craftsmanship, innovation, and resilience that lasted for generations. This blog explores the fascinating story of how this small company became an integral part of Michigan’s mining history. From Cornwall to Michigan: The Origins of Fuse Manufacturing The concept of safety fuses originated in the mines of… Read More »












