For example, a slide chart circa 1970 from Miss Clairol shows the proper formula for hair color. "Somebody did all the math, did all the pre-calculations, printed it on this, and now I have those ...

HARRISBURG, Pa. (WHTM) — Truth be told, most of us probably never thought much about slide charts and wheel charts, much less what it would take to be certified the world’s top collector of ...

James Edward Johnson, 68, a Chicago area executive, was founder and chief executive officer of American Slide Chart Corp. in Carol Stream. Services for Mr. Johnson, a Wheaton resident, will be ...

Since 2002, Dale Rupert has been collecting slide charts and wheel charts and- to date- he has roughly 3,100 charts. New York attorney general warns users to delete 23andMe data 10 Items No One ...