In the mid-1920s, Germany taxed radios based on the number of vacuum tubes in the receiver. In 1926...
Shared by Luke Weston @lukeweston on X

In the mid-1920s, Germany taxed radios based on the number of vacuum tubes in the receiver. In 1926 Loewe Radio decided they could make a much cheaper 3-tube radio but only tariffed as a one-tube radio. To do this they invented the 3NF tube, the first integrated circuit. https://t.co/oKZ8Wk4jX4
In the mid-1920s, Germany taxed radios based on the number of vacuum tubes in the receiver. In 1926 Loewe Radio decided they could make a much cheaper 3-tube radio but only tariffed as a one-tube radio. To do this they invented the 3NF tube, the first integrated circuit. https://t.co/oKZ8Wk4jX4
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