Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Cold sotrage style education which sees the child's mind as a warehouse for hanging hunks of information will not equip youngsters to live in a democracy that thrives on the freedom to make choices, an educator declared Wednesday."

Photograph taken for a newspaper owned by the Oklahoma Publishing Company.

From Introduction and Summary: "However, with the completion and satisfactory performance of an experimental vertical slot oven of 500-pound capacity at the University of Illinois Geological Survey Laboratory, the opportunity to directly compare BM-AGA coke with coke made by two-sided heating became available and the necessary test apparatus was installed. This report compares the results obtained by the two methods."