VINTAGE The Selling Compass Salesman Guide to Selling National Drug and Chemical

National Drug and Chemical Co of Canada Limited A very unique box set from 1931 Two books include many sales tips on how to improve your sales techniques. It's fun to read how to sell to a blonde versus a brunette buyer and other antique sales tips. "Knowing human beings is the bedrock upon which all successful selling depends. The Selling Compass supplies the knowledge." "ALL SUCCESS represents education of one kind or another. Vintage Curiosity Hard to find vintage salesmanship course. Copyright, 1931, by COMPASS SALES CORPORATION, Chicago, U.S.A. This is a used book so there is some writing inside of it and there is some spine wear.