 A seven-story building, constructed during the latter years of the W. Deming Lewis presidency, this houses laboratories and resources for chemistry students, and the chemistry department.The state-of-the-art equipment residing here includes an electron spectrometer for chemical analysis (ESCA), one of ten in the world, and the department's unique nuclear magnetic resonance imaging facility.Sinclair Laboratory serves one of the university's main research centers, including the Center for Optical Technologies, the International Materials Institute for Glass Forming, and an electron spectrometer for chemical analysis (ESCA), one of ten in the world.