Delbridge Interest Book No. 102. Published 1945 by Delbridge Calculating Systems, Inc., St. Louis. Mo. Red hardcover book with gold lettering measures 7 1/2" X 5", and has 134 numbered pages. In very good Vintage condition with light age appropriate wear and coloring. Interior pages are clean and unmarked. One page has separated from the spiral binding, but is still present.
Item ID: C2-32
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