Statistics for occurrence #1 of “Don Silva” in chapter 5 of Knight's Mechanical Encyclopedia:
...l pasted on sheets of glass, which would appear luminous on the passage of the electric spark.
In 1795, Cavallo proposed to transmit letters and numbers by a combination of sparks and pauses.
Don Silva , in Spain, appears to have previously suggested a similar process.
See electrical apparatus.
In 1816, Mr. Ronalds experimented with a frictional electricity telegraph at Hammersmith.
The cur...
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† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.