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Scientific Formulas Necktie by Josh Bach is backordered and will ship as soon as it is back in stock.
MOSFET transistor or printer installation instructions? That's up to you to figure out! This Formulas tie will stump even the smartest engineers.
![Scientific Formulas Necktie by Josh Bach - Josh Bach - necktie - [PINCH]](http://cdn.shopify.com/s/files/1/1387/6383/products/formulas.jpg?v=1513196091)