NASA NTRS · 19700000279
Slide checkout console
Abstract
Semiautomatic 35-mm photographic slide checkout console optically and electronically verifies registration of slides at a minimum rate of 250/hr. The console compares slide registration with a registration standard within the console. It verifies a binary code number on the bottom of the slide and visually displays its equivalent.
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Nides, A. S., Sweningson, E. S.. 1970-06-01. Slide checkout console. https://ntrs.nasa.gov/citations/19700000279
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