Lot retailer of Vintage 1950s - 1970s Paper Calculators and Plastic Guides from Dreis and Krump, Wesson, Diamond Chain, Central Steel & Wire

A vintage lot of paper and plastic industrial calculators, including:

• A plastic double-sided Hardness Conversion Table for Carbon and Alloy Steels with Fractions, Decimals and Millimeters chart from Central Steel & Wire Company (Chicago, IL). Copyright 1973. 9" X 5", in excellent condition.
• A cardboard double-sided Developed Blank Size Calculator for Chicago Steel Press Brakes from Dreis & Krump Mfg. Co. (Chicago, IL). Copyright retailer 1957, In good vintage condition, with a bent corner, rubbing, edge wear and the owner's name and initials inked on both sides.
• A cardboard double-sided calculator from Wesson Company (Ferndale, MI), featuring Feed and Speed, Turning and Boring Feed and Horsepower, along with other Wessonmetal specs. Copyright 1950. 8" X 3 1/2", in very nice condition, with a small bit of edge bumping.
• A plastic Chain Template from Diamond Chain Co., Inc. (Indianapolis, IN) in its original envelope. Copyright 1961. The template is in new condition, while the envelope is a bit aged, with penciled numbers on the back.
• A cardboard double-sided Tap and Clearance Drills and Decimal Equivalents charts from MACHINERY (New York, NY). c. 1950. In very good condition, with a bit of smudging.

We have are offering a number of vintage paper calculator lots: https://www.etsy.com/shop/Snootyparrot?ref=seller-platform-mcnav&search_query=paper+calculator. If you are interested in an individual item or combination of items, please contact us for a quote including combined shipping if appropriate.