National Geographic : 1940 Feb
AT DIZZY SPEED RUBBER HOSE IS BRAIDED WITH COTTON CORD Tubing from the pan to the left writhes snakelike into the machine and up through the center of the circles of spools. Automatically the machine weaves a fabric around the tubing, which then passes up to the take-off wheel and down into coils on the pan to the lower right (page 199). Photographs byWillard R.Culver MEADOW, FOREST, AND FIELD HELP MAKE ABASKETBALL The girl is applying rubberstrips ontopofthewinding, which inthis Spalding ball consists of nearly amile and ahalf ofrubberized cotton thread. Panels for the cowhide coverare separately skived and donotvary inthickness more than the diameter of ahuman hair.