‰  NOW 5 WPM  ‰  TEXT IS FROM JULY 2018 QST PAGE 81  ‰

AS A TUBE TYPE AMPLIFIER.  OSCILLOSCOPES OF THAT ERA WERE LARGE, EXPENSIVE,
AND NOT AS ACCURATE OR PORTABLE AS THEY ARE TODAY, AND SO WERE NOT USED FOR
THIS PURPOSE.  IN ANOTHER FIRST FOR THE SIMPSON 260, THE MODEL 3A WAS
ƒ  QST DE W1AW  ‰
PRODUCED IN 1959.  THE ONLY DIFFERENCE BETWEEN THE MODEL 3 AND THE 3A WAS
THE USE OF A SELF SHIELDING METER AND SPRING LOADED JEWELS FOR MOVEMENT.
‰  END OF 5 WPM TEXT  ‰  QST DE W1AW  ƒ