TY - JOUR AU1 - Meiners, H. F. AB - N/A TI - Cool-Beam Lamp Projection System JF - American Journal of Physics DO - 10.1119/1.1972260 DA - 1965-09-01 UR - https://www.deepdyve.com/lp/american-association-of-physics-teachers/cool-beam-lamp-projection-system-dOSy104OOX SP - xii EP - xii VL - 33 IS - 9 DP - DeepDyve ER -