A System of Indexing 2×2 Inch Slides
References
DICE, L.R., A simple method for filing miniature negatives and microfilm records in strips, SCIENCE 89: 39 (1939).
SEIDELL, A, SCIENCE 89: 32 (1939).
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Published In
Science
Volume 89 | Issue 2320
16 June 1939
16 June 1939
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© 1939.
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Published in print: 16 June 1939
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