Instruction Manual for Pickett & Eckel Deci Log Log Slide Rule
date: label: date made
content: 1947
name: label: author
content: Hartung, Maurice L.
notes: label: Description
content: This 32-page booklet was received with 1979.0601.02. Its citation information is: Maurice L. Hartung, <i>How to Use the Deci Log Log Slide Rule</i> (Chicago: Pickett & Eckel, Inc., 1947). Hartung, a University of Chicago professor and consultant to Pickett & Eckel, provided a basic overview of mathematical operations on the slide rule. He then explained placing the decimal point; the inverted scales; scales for squares and cubes, logarithms, and trigonometry; and solving problems using multiple scales. He next described the log log scales in a section that has several diagrams of slide rules.
label: Description
content: A pink paper sheet on caring for the slide rule is inside the booklet. A previous owner has written in a few corrections, including an updated population of the United States of 175 million in 1957.
label: Location
content: Currently not on view
place: label: place made
content: United States: Illinois, Chicago
topic: label: Subject
content: Mathematics
label: Subject
content: Rule, Calculating
label: Subject
content: Education
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Science & Mathematics
label: See more items in
content: Slide Rules
creditLine: label: Credit Line
content: Gift of Frank M. Graves
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1979.0601.04
label: accession number
content: 1979.0601
label: catalog number
content: 1979.0601.04
objectType: label: Object Name
content: pamphlet
physicalDescription: label: Physical Description
content: paper (overall material)
label: Measurements
content: overall: 21.2 cm x 13.7 cm x .2 cm; 8 11/32 in x 5 13/32 in x 3/32 in