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open access

Expanding the Numerical Control Version of Computer Graphics to Include Automatically Computed Machine Feeds and Speeds

Description: The objective of the study is to utilize the cross-sectional computation capabilities of a computer to calculate the revolutions per minute, to determine the volume of metal being removed by the machine cutter at any point in the programmed path, and to output the feed rate that the particular situation requires. The six chapters which present the information are as follows: Chapter I, introduction; Chapter II, analysis of factors affecting the computation of speed and feed rate parameters; Cha… more
Date: August 1979
Creator: Berry, Ronny E.
open access

How to Build a Log Cabin by the Post-and-Beam Method

Description: The primary purpose of this study is to give simple and detailed instructions for building a log cabin by the post-and-beam method. The data were gathered from three sources: (1) library research, (2) interviews with experienced builders of cabins, and (3) personal experience in cabin construction. A step-by-step guide for building a cabin is given in Chapters II and III, which explain in depth how to construct each section of the cabin, from laying the foundation to putting on the finishing to… more
Date: May 1979
Creator: Conlee, Robert Michael
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