Internet-Only Manuals (IOMs) The Internet-only Manuals (IOMs) are a replica of the Agency's official record copy. They are CMS' program issuances, day-to-day operating instructions, policies, and procedures that are based on statutes, regulations, guidelines, models, and directives.
In 1905, Mogridge created the first crude protective head gear and was granted patent No. 780899 for a head protector.. This first attempt at a batting helmet was said to look like an inflatable boxing glove that wrapped around the hitters head..
Until 1954 baseball players could pick any kind of hat they wanted, just to keep the sun out of their eyes. And that's pretty much where it all began. The first baseball hats were made of straw. They were first worn by the New York Knickerbockers on April 24, 1849. But within a few years the team began to wear a cap made of fine merino wool. It featured a crown, with an attached visor or bill.