Vtg Superlite Aluminum Fibre-Metal Hard Hat Helmet Liner 8 Rivet - MKCO RAIL USA

• In used condition with some age wear including dings, scratches and light soil
• It has the original owner's name on a dial label maker red label on the brim
• 8 Rivet suspension with intact suspension

• Seldom seen Morrison-Knudsen Corp. Hard Hat. MK Corp was a major civil engineering, construction and railroad contracting firm that counted among it's many projects, the Hoover Dam, Minute Man Missile Silos, Trans Alaskan Pipeline and the Kennedy Space Center.

• They were tied to the railroad in their early years as a contractor that built rail ways and later the firm had a rail and transit division that rebuilt railroad locomotives and passenger cars. In May,1954, Time magazine article claimed Harry Morrison, one of the firm's founders, was  "the man who has done more than anyone else to change the face of the earth." 
• This hat represents a significant piece of American Civil Engineering, Rail and Construction History

Please see all images for a pictorial description and ask any questions. Thank you

Bin J