K&E Slide Rule Catalog for 1972

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Note: Many of the slide rules below have mutiple model numbers. With the advent of computer control of inventory systems, K&E apparently decided to give every variant its own model number. These variants usually only differ from each other in case style. When model numbers are paired together below for one description it is to show these variants. An attempt has been made to supply the old 4000 series numbers where possible. It should also be noted that the 68 series numbers are in numercial order as they are in the catalog.

The 1972 Catalog is from the Collection of: Dick Rose