Pickett Trig Slide Rule Instruction Manual

This 64-page booklet was received with 1993.0559.01. Its citation information is: Maurice L. Hartung, How to Use . . . Trig Slide Rules (Chicago: Pickett & Eckel Inc., 1960). It sold separately for fifty cents. Hartung was the University of Chicago professor who was closely associated with Pickett & Eckel in the company's early years and who wrote several instruction manuals for the firm's slide rules.

The booklet discusses slide rule operation, use of certain special scales, applications of trigonometry, and the principles underlying slide rules. Hartung focused on the operations of the instrument rather than on mathematical theory. There are problem sets at the end of each section, with answers in the back of the manual, and a few sets of "practical" (word) problems. Another copy of the booklet is scanned at http://sliderulemuseum.com/Manuals/M104_Pickett_HowToUseTrig_1960.pdf.

Reference: "Maurice Leslie Hartung," Mathematics Genealogy Project, http://www.genealogy.math.ndsu.nodak.edu/id.php?id=7964. Hartung received a life achievement award from the Illinois Council of Teachers of Mathematics in 1977, http://ictm.org/ictmawards/lifeachievement.html.

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