Schematic: Minor Recombobulator

Teaches how to create a Minor Recombobulator.

Source
This is a Limited sale recipe available for from
 * in Sundown Marsh in the Wetlands
 * in the Train Depot in Gnomeregan (Note the Train Depot, while in Gnomeregan, is outside the instance.)
 * in Ratchet in the Barrens

You can also learn this recipe directly from the Matrix Punchograph 3005-D after acquiring the necessary Red Punch Card.