Content Description The Lee and Betty Piester Centuri Model Rocketry Collection documents the early model rockets designed and sold by Centuri Engineering Company with visual and textual materials primarily from the late 1960s and early 1970s. The Collection has been divided into three series: I. Lee Piester, II. Centuri Engineering Company, and III. Model Rocketry.Series I. Lee Piester is a small series with a few items pertaining personally to Piester. Textual...