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DIRECT IMAGE VIEWER, SPECIFICATION FOR

of rear projection diffusion screens, and the achievement of high magnification viewing qualities ... CIA-RDP78604747A001100010003-6 the viewer, or the diffraction characteristics of the gratings will produce a rainbow of images ... intensity lamps and the small f/number projection lens at the high magnification. Approved For Release ...
DIRECT IMAGE VIEWER, SPECIFICATION FOR

tion of performance limitations imposed by the use of rear projection diffusion screens, ... of the gratings will produce a rainbow of images between matrix units (exit pupil images). 3.4 Technical Details ... Compensation is pro- vided in the condensers, high intensity lamps and the small f/number projection lens ...
INTERNATIONAL ENERGY BIWEEKLY REVIEW 29 DECEMBER 1977

from the gas in an oil-gas separator. The current gas lift proposal projects a maximum production rate of 1.1 ... have been found in Alberta. The last major oil strikes occurred at Zama and Rainbow Lakes in northwest Alberta ... encouraging other companies to reconsider projects they had abandoned. High capital costs, unresolved ...