MRC:
Markings included on an item for the purpose of offering instructions or warnings or to indicate the purpose,function,or application of the item.excludes manufacturers part numbers,symbols,or the like.MARK
Special Markings:
Printed in gothic condensed style 106, point size as indicated on front, starting 4-1/2 in. From top, u. S. Dept. Of commerce /24 point size/ national bureau of standards /18 point size/ administrative manual /24 point size/ on backbone, starting 4-1/2 in. From top, administrative manual /24 point size/