The first long distance call
From Scientific American in 1876, when it was actually about Science instead of CLIMATE CHANGE and lunacy.
An account of Bell's first long-distance call, and first demonstration outside his lab. He used a private telegraph line owned by Walworth Manufacturing, running two miles from their office to their factory. Both ends had full telegraph equipment with a full set of batteries.
Pure experiment. Learning by trying. Removing the relay shows that they didn't fully understand the difference between binary switching and analog waves yet. If the sound was being transferred by switching, the relay should have improved the transmission. I'll bet they understood the difference more clearly after noting the result.
Labels: Carver