QTY. 1. HUGHES AIRCRAFT COMPANY

QTY. 1. HUGHES AIRCRAFT COMPANY HELIUM-NEON LASER CLASS IIIB LASER PRODUCT 1) HUES AIRCRAFT COMP. CONTROLLER MFG: 1988. ELECTRONS COLLIDING WITH HELIUM ATOMS TO PRODUCE HELIUM METASTABLE ATOMS WHICH THEN TRANSFER THEIR ENERGY TO NEON LASER LEVELS. THIS LASER IS USED IN SURVEYING CONSTRUCTION SUPERMARKET CHECKOUT SCANNERS PRINTERS AND MANY OTHER APPLICATIONS.