Meucci claimed to have made what he felt was his best device, using an iron diaphragm with optimized thickness and tightly clamped along its rim
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Meucci claimed to have made what he felt was his best device, using an iron diaphragm with optimized thickness and tightly clamped along its rim
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-18 from Wikipedia. The archived copy is preserved so this citation survives link rot.