Scope and Contents From the Series: Section Four contains papers on explosives collected by Cook during his tenure as director of the Institute of Metals and Explosives Research, as well as patent information and some material relating to the commercial use of slurry explosives. Box 43 of this section contains explosives-related patent information in the form of photocopies from various patent publications. The bulk of the patents describe the composition of various explosive compounds and related processes. Folders 6-8 are...