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    Author(s): Floyd A. Johnson
    Date: 1956
    Source: PNW Old Series Research Notes No. 133, p. 1-10
    Publication Series: Scientific Journal (JRNL)
    Station: Pacific Northwest Research Station
    PDF: View PDF  (750 KB)

    Description

    During April 1956, about 20,000 boards from 210 white fir and 290 western hemlock logs were measured at a lumber mill in western Washington. A magnetic drum, data-processing machine (type 650) was then used to calculate board-feet volumes by lumber grade for each log, and average board-foot volumes by lumber grade for each log diameter-class within log grades and within species. This first phase of the analysis was accomplished in 18 minutes of machine time once the board measurements were punched on cards.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Johnson, Floyd A. 1956. Processing mill scale study data on a type 650 electronic machine. PNW Old Series Research Notes No. 133, p. 1-10

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