September 2016 Electrical Apparatus puzzle solution

September 2016 Electrical Apparatus puzzle solution

“Lee De Forest,” who invented the first practical vacuum tube, is the answer to the puzzle in the September 2016 issue of Electrical Apparatus.

Note: this month’s puzzle is an unusual one. Instead of some squares having red backgrounds, some letters are circled. These are the letters you’re supposed to ignore when looking for the hidden message. The “message,” Lee DeForest, reads downward diagonally from the upper left, beginning at Row 2, Column 4. The message is not made up of uncircled letters read consecutively.

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