Sub-series 1. Company Histories, 1970-1986, undated

Arranged alphabetically by subject, this sub-series contains company histories of Betz Laboratories, Incorporated. These files document the history of Betz Laboratories from its founding as W.H. & L.D. Betz in 1925 to the mid-1980s. Most of the materials in this sub-series were written or dictated by company executives John Drew Betz, Charles W. Brown, Bill Dunbar, and John J. Maguire. A single item created by Betz Laboratories’ public relations department is also found here.

The contents of the Company Histories consists mainly of photocopied manuscripts and photocopied interview transcripts. A few photocopied letters, resumes, notes, and a copy of the Betz Laboratories commemorative publication Prologue: The First Fifty Years 1925/1975 are preserved in this sub-series as well.