Napolitano, A.(Albert),  1911- <br/><br/>
Viscosity of a standard lead-silica glass / 
A. Napolitano and E. G. Hawkins 
 - Washington, D. C. :  For sale by the Superintendent of Documents, United States Government Printing Office,  1966 
 - vi, 24 p. :  ill. ;  26 cm. 
 - National Bureau of Standards miscellaneous publication ;  260 Standard reference materials ;  11. .
 - United States.  National Bureau of Standards.  Office of Standard Reference Materials.  Standard reference materials ;  11. .
<br/><br/> At head of title: United States Department of Commerce National Bureau of Standards 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Glass--Testing<br/>Glass--Viscosity
<br/><br/><label>Dewey Class. No.: </label>620.144