This yellow fold-out leaflet was received with 333876. It provides instructions for the Cali-Pro, a proportional divider developed by Maurice Kidjel for making drawings in what Kidjel believed was the "universal ratio," 5.333 : 1. Kidjel and his business associate, Kenneth W. K. Young, filled orders for the device from an office in Honolulu, Hawaii. The leaflet contains examples of applications and testimonials. It was copyrighted in 1962.
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