Table of Contents: Cronar grows up; Housing a new drill in nylon; Foams for the reefers; why they insulate with Titanate; Testing ten thousand tires; 2-in-1: a prime poly for produce; Traveling with a tape recorder; Fabrics cover 50 years; Taking...
Lauru Platform measures energy that a man uses to lift 50 pound bag. The recorder, shown in picture, which registers three individual lines on a graph representing vertical, lateral and frontal motion, is electrically connect to the platform.