Chemist Scientist Formula Unique Necktie,  MOSFET transistor or printer installation instructions? You figure it out! This Formulas silk necktie will stump even the smartest engineers. Great unique necktie for a chemist, scientist or science teacher! 100% silk, hand-finished in New York City. A unique necktie for a for a nerdy cool guy!

Chemist Scientist Formula Unique Necktie    100% silk,  56 x 3.5