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A Slide Rule Method as a Substitute for Straight Axis Alinement Charts

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It is a common practice to present formulae containing several variables in the form of an alinement chart and solve the equation graphically. The graphic method saves time by obviating much computational work where a high degree of precision is not required. It is believed that the method proposed here will still further reduce the time required for solving equations containing from four to six variables, where the relationship between the variables is known and is expressed by a linear equation. The method, although probably not new, is presented here because many foresters may find it useful in their work since it is handier to operate than an alinement chart when more than three variables are involved.

Document Type: Journal Article

Affiliations: Rocky Mountain Forest and Range Experiment Station

Publication date: 1939-10-01

More about this publication?
  • The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.

    2016 Impact Factor: 1.675 (Rank 20/64 in forestry)

    Average time from submission to first decision: 39.6 days*
    June 1, 2016 to Feb. 28, 2017

    Also published by SAF:
    Forest Science
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