(The newest machines read addresses and sort by optimal delivery order.) ...

When we last left this subject, I told you all about Transorma, the first letter-sorting machine in semi-wide use. But before and since Transorma, machines have come about to perform various tasks ...

The Lehigh Valley is just one of the places in the country where letter-sorting machines are being removed from United States Postal Service facilities. A union representative in the Valley says ...