Formed in 1969 in Bloomington, Illinois the International Tapetronics Corporation (ITC) tasked itself with the: design, production, and resale of professional grade audio equipment, for use within the field of radio and television. While perhaps antiquated by the time of the digital era, the products produced by ITC were revolutionary for their time period, launching the broadcasting industry into new heights.

The ITC collection includes a wide variety of documents from 1975 to 1990 including: patents for various manufactured products, internal correspondence, correspondence to ISU and IWU, curriculum lists for electrical engineering, translated scholarly articles concerning magnetic tape recorders, a manual for the DELTA machine, various program sheets for the goals and development of ITC, sales and inventory sheets, member lists, electrical engineering publishing’s, and a short history of ITC along with written works about ITC.