schematic for a portable defibrillator, aka schematic for a portable defibrillator, schematic, portable, and defib
It has some line drawings on it and some little pictures of a young boy gladly reviving his grandfather.
It tells you how to make a portable defibrillator with the following components:
1 - circuit board
3 - o-rings
1 - broken battery pack
1 - microprocessor
Making this would take some familiarity with craft and some familiarity with brains.
In the upper right corner is a note: 'First discovered by Dr. Rick.'
It weighs about 100 grams. It is a electromechanical schematic. You have no idea what it might be worth.