• on Education & Information
  • Published in issue 6/2008 on page 8
About the article

Mailbox June 2008

  • Software Formant
  • EIR Schematic
  • The 'Dekatron' decimal counter valve (2)
  • Reset Switch on CO2 Meter
  • Making PCBs with a laser printer -- a sequel
  • Bogus transistors
  • A stable audio signal
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