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    <eadheader findaidstatus="Completed" repositoryencoding="iso15511" countryencoding="iso3166-1" dateencoding="iso8601" langencoding="iso639-2b">
        <eadid url="http://www.lib.ncsu.edu/findingaids/mss00090">mss00090</eadid>
        <filedesc>
            <titlestmt>
                <titleproper>Test of a 100 K.W. De Laval Steam Turbine with an Introduction on the Principles of Design: Report, 
                    <date calendar="gregorian" era="ce">circa 1920</date>
                    <num>MSS 00090</num>
                </titleproper>
                <author>Finding aid prepared by Processed by: Special Collections Staff;machine-readable finding aid created by: Dawne E. Howard</author>
            </titlestmt>
            <publicationstmt>
                <publisher>Special Collections Research Center</publisher>
                <date>2005</date>
            </publicationstmt>
        </filedesc>
        <profiledesc>
            <creation>This finding aid was produced using the Archivists' Toolkit
                <date>2011-10-30T17:54-0400</date>
            </creation>
            <langusage>Finding aid written in 
                <language langcode="eng" encodinganalog="Language">English.</language></langusage>
        </profiledesc>
    </eadheader>
    <archdesc level="collection">
        <did>
            <unittitle>Test of a 100 K.W. De Laval Steam Turbine with an Introduction on the Principles of Design: Report</unittitle>
            <unitid>MSS 00090</unitid>
            <repository>
                <corpname>Special Collections Research Center</corpname>
            </repository>
            <langmaterial>
                <language langcode="eng"/>
            </langmaterial>
            <physdesc>
                <extent>35.0 pages</extent>
            </physdesc>
            <unitdate normal="1920/1920">circa 1920</unitdate>
            <abstract id="ref2" label="Abstract">This 35-page report is a handwritten history and evaluation of the De Laval reaction turbine. It includes 11 diagrams, including rotor [design] and buckets, bucket details, a heat chart showing friction losses, a section of the nozzle, theoretical and actual velocity diagrams, the design of the bucket, governor details, the reducing gearing, the standard machine, and a chart showing the results of the tests conducted. While the author of this report is not known, it may have been created by John William Cox, who received his bachelor's degree in civil engineering from North Carolina College of Agriculture and Mechanic Arts in 1915. Cox also received a master's degree in civil engineering. from the college in 1921.</abstract>
            <abstract id="ref3" label="Abstract">Carl Gustaf Patrik de Laval (1845 - 1913) was a Swedish engineer and inventor who made important contributions to the design of steam turbines and dairy machinery. In the 1880s he built a small steam turbine turned by jets of steam, and in 1890 added a nozzle to increase the speed of the steam entering the turbine. De Laval's innovations are used today in rocket design and reduction gearing.</abstract>
            <physloc id="ref4" label="Location">For current information on the location of these materials, please consult the 
                <extref ns2:type="simple" ns2:href="http://www.lib.ncsu.edu/specialcollections/research/requestinformation.html">Special Collections Research Center Reference Staff</extref>.</physloc>
            <physdesc id="ref1" label="General Physical Description note"></physdesc>
            <origination label="creator">
                <corpname rules="aacr" source="naf">North Carolina College of Agriculture and Mechanic Arts.</corpname>
            </origination>
        </did>
        <accessrestrict id="ref5">
            <head>Restrictions to Access</head>
            <p>This collection is open for research; access requires at least 24 hours advance notice.</p>
        </accessrestrict>
        <acqinfo id="ref6">
            <head>Acquisitions Information</head>
            <p>Unknown.</p>
        </acqinfo>
        <prefercite id="ref7">
            <head>Preferred Citation</head>
            <p>[Identification of item], Test of a 100 K.W. De Laval Steam Turbine with an Introduction on the Principles of Design: Report, Special Collections Research Center, North Carolina State University Libraries, Raleigh, NC</p>
        </prefercite>
        <userestrict id="ref8">
            <head>Copyright Notice</head>
            <p>The nature of the NCSU Libraries' Special Collections means that copyright or other information about restrictions may be difficult or even impossible to determine despite reasonable efforts. The NCSU Libraries claims only physical ownership of most Special Collections materials.</p>
            <p>The materials from our collections are made available for use in research, teaching, and private study, pursuant to U.S. Copyright law. The user must assume full responsibility for any use of the materials, including but not limited to, infringement of copyright and publication rights of reproduced materials. Any materials used for academic research or otherwise should be fully credited with the source.</p>
        </userestrict>
        <bioghist id="ref9">
            <head>Biographical Note</head>
            <p>Carl Gustaf Patrik de Laval (1845 - 1913) was a Swedish engineer and inventor who made important contributions to the design of steam turbines and dairy machinery. In 1887 he built a small steam turbine turned by jets of steam, and in 1890 added a nozzle to increase the speed of the steam entering the turbine. De Laval's innovations are used today in rocket design and reduction gearing.</p>
        </bioghist>
        <scopecontent id="ref10">
            <head>Scope and Content Note</head>
            <p>This 35-page report is a handwritten history and evaluation of the 
                <subject>De Laval reaction turbine</subject>. It includes 11 diagrams, including rotor [design] and buckets, bucket details, a heat chart showing friction losses, a section of the nozzle, theoretical and actual velocity diagrams, the design of the bucket, governor details, the reducing gearing, the standard machine, and a chart showing the results of the tests conducted. While the author of this report is not known, it may have been created by 
                <persname>John William Cox</persname>, who received his bachelor's degree in 
                <subject>civil engineering</subject> from 
                <corpname>North Carolina College of Agriculture and Mechanic Arts</corpname> in 1915. Cox also received a master's degree in 
                <subject>civil engineering</subject>. from the college in 1921.</p>
        </scopecontent>
        <relatedmaterial id="ref11">
            <head>Related Material</head>
            <list type="ordered">
                <item>Gartmann, Hans (ed.). 
                    <title ns2:type="simple" ns2:href="" render="italic">De Laval Engineering Handbook, Third Edition</title>. New York: McGraw-Hill Book Company, 1970.</item>
            </list>
        </relatedmaterial>
        <controlaccess>
            <persname rules="aacr" source="local">Cox, John William</persname>
            <persname rules="aacr" source="naf">De Laval, Carl Gustav Patrik, 1845-1913</persname>
            <corpname rules="aacr" source="naf">North Carolina State University--History.</corpname>
            <subject source="lcsh">Civil engineering--Study and teaching (Higher)--North Carolina</subject>
            <subject source="lcsh">Speed--Tables</subject>
            <subject source="lcsh">Steam-turbines</subject>
        </controlaccess>
        <dsc/>
    </archdesc>
</ead>
