![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgLAx4w-D_4Hk5YIU-0Qa_Ki4I8pl08Er62oHmD21TKManGL6T6s3BLMG1erZwAPAAtoXCmv4LfhCtYI4UdyylmPETMSyrpbsBlxXey0t8dn-K4xThTmduMSaeQycbTdKTqdRxOL-p-nMo/s400/1889_Edison_Mimeograph.jpg)
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By 1880, sales of Edison's copying system were in decline because of competing systems, such as the Cyclostyle. |
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An 1895 ad for a rudimentary copying system which used pressure and moisture to duplicate a copy. |
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An adorable little lithographic press which sold in England in the 1850s, preceded Edison's Mimeograph. |
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This system above used a master and a gelatin substance which absorbed ink when the original was placed onto a transfer tablet. This was called the Hektograph which was introduced in 1876. All of the images above are from the Early Office Museum which has a mountain of material on the history of printing and office equipment of the last 2 centuries. Well worth a visit and a read! |
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At Strayer's Business College in Washington DC, 1928. I can almost smell the nasty spirit duplicator vapors. From a glass negative from the Harris & Ewing Collection via the Shorpy photo archive. Shorpy images are always clickable. |
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