Edison’s Mimeograph

via letterology
“Thomas Edison’s Mimeograph machine was licensed by A.B. Dick who invented the Mimeograph stencil in 1884. With Edison’s support the two of them began advertising in 1888 and sold the machines for $12 to $30 depending upon the size…”
Read more here.

Ditto

via mehallo blog
“Before there were photocopiers, scanners and printers, there was the Ditto Machine (a.k.a. spirit duplicator), produced by the Illinois-based Ditto Corporation; originally introduced in 1923…”
Read the rest here. A link for a pretty cool t-shirt can be found there as well.