Product Details

A fantastic little piece of 19th-century Americana! 📕✨ This is an antique Ropp’s Commercial Calculator, by C. Ropp, Jr., a pocket-sized practical arithmetic and commercial reference book designed to help farmers, mechanics and businessmen make quick calculations. The book contains fascinating old tables for interest, weights and measures, grain, lumber, merchandising, wages, percentages, annuities, discounts, analysis, permutation, combination and more. ✨ Features: * C. Ropp, Jr. * Copyright references 1875, 1882 & 1887 * 128 pages * Approx. 6¼” × 3¾” * Original red cloth/flexible cover * Gilt page edges * Original printed tables and calculations * Handwritten ownership/address notation inside * Wonderful antique patina 📌 Condition: This is an antique, well-used book with substantial age-related wear. The red cloth cover has staining, discoloration, edge wear and areas of loss/wear to the printed surface. The binding shows wear and exposed threads, and the pages have age toning,