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..
The first use of disc brakes in racing was in 1951, one of the BRM Type 15's using a Girling-produced set, a first for a Formula One car. Reliable caliper-type disc brakes later appeared in 1953 on the Jaguar C-Type racing car.