National Geographic : 1919 Oct
"The Pullinest Belt" The men in a certain munitions shop were on piecework. There always was a "howl" when a new belt was put on They claimed no new belt would pull like an old one. As an experiment SparOak Belting was installed. Immediately the "howl" ceased, because production increased and, of course, the operators received more pay. Today there is never a complaint when a new belt is installed, providing it is one of the "pullinest" kind, as they call SparOak. SparOak Belting SparOak Belts grip from the start. A two ply belt, the pulley side is G & K Spartan, a leather with the greatest pulley-gripping power ever attained in a belting material; the outer side is the finest quality G & K oak-tanned stock. The oak-tanned outer ply gives rugged endur ance to withstand the severest service condi tions. The Spartan leather next the pulley insures a firm grip, If you, have a drive that is troubling you, write us about it. The Graton & Knight Standardized Series includes belts for every kind of drive. Our booklet on Standardization in belting describes all of them. It is sent free on request. The Graton & Knight Mfg. Co. Worcester, Mass., U. S. A. Oak Leather Tanners, Makers of Leather Belting andLeather Products Branches and Distributors in all Principal Cities SPAROA Graton &Kni Standardized Series Leather Beltin Tanned by us for belting use "'Mention The Geographic-It identifies you"