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7A22: Difference between revisions
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[[John Addis]] [[Preamble DA1855|says]]: | [[John Addis]] [[Preamble DA1855|says]]: | ||
The [[1A7A]] (designed by [[Thor Hallen]]) and the 7A22 (designed by [[Val Garuts]]) used essentially the same circuit. Exactly who came up with the brilliant input circuit is lost to history. The 1A7A came out first, but Thor had worked as evaluation engineer for Val Garuts. Val does not remember who created the circuit, and Thor died in 2002. | The [[1A7A]] (designed by [[Thor Hallen]]) and the 7A22 (designed by [[Val Garuts]]) used essentially the same circuit. Exactly who came up with the brilliant input circuit is lost to history. The 1A7A came out first, but Thor had worked as evaluation engineer for Val Garuts (and is listed that way in the 7A22 Engineering Instrument Specification). Val does not remember who created the circuit, and Thor died in 2002. | ||
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