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. Most analog clocks today keep time in 12-hour increments â they divide the 24 hours in a day in to 12-hour periods. These clocks are generally known as 12-hour clocks. The first period of the day is called âante meridiemâ, which means before noon in Latin.The second period is called âpost meridiemâ, meaning after noon in Latin. Ante meridiem, is commonly denoted as AM, am or A.M., while post meridiem is usually denoted as PM, pm or P.M.imilarly, 12 AM does not make much sense, since it is not before noon. It is recommended that one refer to these hours as midnight and noon. Note: Most digital clocks tend to show 12 AM and 12 PM to specify midnight and noon, respectively.