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 on ...

Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. One of the ongoing challenges of the Post Office Department over the course of the twentieth century was sorting an ...

It didn’t take too long for hand-canceling to get out of hand. The first cancelling machine, created in 1875, made fairly quick work of that. The thing was hand-fed, hand-cranked, and only worked on ...

The US Postal Service plans to remove hundreds of high-volume mail-processing machines from facilities across the country, leading some postal workers to fear they may have less capacity to process ...