Lawrence DeLuxe Slide Rule 10B. We are an old hardware store with lots of rare & vintage items - in Starrett, Brown & Sharpe, Mitutoyo and many other brands. The item "Lawrence DeLuxe Slide Rule 10B IN STOCK VINTAGE" is in sale since Tuesday, July 6, 2021.This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Metalworking Inspection & Measurement\Indicators". The seller is "discount_tool" and is located in Chicago, Illinois. This item can be shipped worldwide.