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Marconi Spark Gap Transmitter Demonstration - YouTube

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Conservator Tony M operates and describes an early 1900's Marconi Spark Gap Transmitter similar to that used on the Titanic. This communication device will be demonstrated at the Canada Science and Technology Museum's upcoming Titanic exhibit this is a Marone spark gap transmitter from the early days of radio and uh the way this worked essentially is that uh it's a big stepup Transformer and the telegraph key is a switch that turned it on and off so when you close the contact with the telegraph key a spark jumps across the gap between these two electrodes over here like this and uh this…

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