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- Section of Submarine Cable Laid Between Mackinaw City and St. Ignace, Michigan, 1918 - In July of 1918 a submarine telephone cable was laid between Mackinaw City and St. Ignace, uniting Michigan's Northern and Southern Peninsulas. The 24,000-foot cable was capable of handling 21 simultaneous calls. After a successful installation, the crew onboard the cable-laying ship celebrated with toasts of grape juice due to Prohibition restrictions in Michigan.
- July 09, 1918
- Collections - Artifact
Section of Submarine Cable Laid Between Mackinaw City and St. Ignace, Michigan, 1918
In July of 1918 a submarine telephone cable was laid between Mackinaw City and St. Ignace, uniting Michigan's Northern and Southern Peninsulas. The 24,000-foot cable was capable of handling 21 simultaneous calls. After a successful installation, the crew onboard the cable-laying ship celebrated with toasts of grape juice due to Prohibition restrictions in Michigan.
- Sections of Submarine Cable Laid Between Key West, Florida and Havana, Cuba, 1921 - In 1921, the first submarine telephone and telegraph cable was laid between Key West, Florida, and Havana, Cuba. These cables represent the rugged shore end and thinner deep sea section of this communications link. Even with difficult diplomatic relations, AT&T continued service over US-Cuba cables until the late-1980s, when all existing cables were either cut or too damaged for use.
- 1921
- Collections - Artifact
Sections of Submarine Cable Laid Between Key West, Florida and Havana, Cuba, 1921
In 1921, the first submarine telephone and telegraph cable was laid between Key West, Florida, and Havana, Cuba. These cables represent the rugged shore end and thinner deep sea section of this communications link. Even with difficult diplomatic relations, AT&T continued service over US-Cuba cables until the late-1980s, when all existing cables were either cut or too damaged for use.