The radiant time series (RTS) method is a new method, derived directly fiom the heat balance method, for performing. design cooling load calculations. It effectively replaces all other. simplified (non-heat-balance) methods such as the cooling load.
The last wheat pennies were made in 1958. They were produced from 1909 to 1958. They are generally common and worth a few cents above face value and can be found in pocket chaâ¦nge.
In 1918, Brenner's initials were restored to the wheat penny. His initials were placed on the obverse side of the coin, at the base of Lincoln's bust, right below his shoulder. The initials remained on every wheat penny minted thereafter, and still remain on Lincoln pennies minted today.