Excello Proof Press

This display ad appeared in most issues of Graphic Arts Monthly, vol. 1, 1929, but does not appear thereafter. Neither was it advertised or mentioned in The Inland Printer or Photo-Engravers Bulletin before, during, or after 1929. (Perhaps, there wasn’t enough interest in this product, and likely Black Tuesday—the infamous crash of the stock market on […]

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CHALLENGE 21MP

Hi All, I am helping to restore her Challenge 21MP. It seems the inking rollers and assembly are missing. Maybe dutifully taken off the press after printing and forgotten about. The cores and rubber are not as much of a problem to replace as the gear and other metal parts that attach to the rollers. […]

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L.W. Claybourn

Leslie William “Lex” Claybourn (1883–1956) was a printing process pioneer who was issued over 200 U.S. patents. Like Horace Hacker and R.O. Vandercook, Claybourn worked to improve photoengraving and process plates and to reduce makeready. In 1921, he established Claybourn Process Corp. in Milwaukee, Wisconsin, which made, among other machines, a multicolor press that printed […]

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