Although Goodyear welted shoes are synonymous with English made footwear, the name and machinery used was in fact the invention of an American by the name of Charles Goodyear Jr, son of the great inventor Charles Goodyear, who invented vulcanised rubber.
What does AM and PM stand for? AMâalso spelled âamâ or âa.m.ââis the abbreviation for ante meridiem, a Latin phrase meaning âbefore noon.â PMâalso spelled âpmâ or âp.m.ââis the abbreviation for post meridiem, which simply means âafter noon.â Noon, of course, refers to the middle of the day.
AM and PM are associated with 12-hour timekeeping, as opposed to the international 24-hour clock. The 12-hour system grew up mainly in Northern Europe, and spread globally from there via the British Empire.