Thermo Electron Model 100 NOx Generator Gas Analyzer Lab Unit As-Is

Thermo Electron rp series 1400A TEOM Control Unit & 2 Sensor Units

ETP Active Film Electron Multiplier Lab

Edmund Optics 43855 50mm λ/20 He-Ne Mirror Optical Flat 632.8nm w/ Certificate

HUGHES OPTICAL LASER LENS 1" DIA COATED OPTICS T=20% R=10M, closed college lab

Burle Electro-Optics Channel Electron Multiplier Assembly for API-2000 API-3200

Parker & Edmond Mirrors Laboratory Optics

Lithonia Lighting Quantum ELM2B Adjustable Optics Emergency Unit Aimable Lamps