yill PREFACE 



gestions, or material for expansion and improvement. It is also 

 anticipated that individuals, trade associations, and professional 

 groujjs who are in a position to assist will be encouraged to con- 

 sider seriously what aid or influence they might lend to the further 

 development of an adequate national museum of engineering and 

 industry for the United States, under the direction of the Smithsonian 

 Institution. 



C. W. MriMAN, Head Curator^ 

 Department of Engineering and Industries. 



