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Muhle et al. (1991) reported that the responses to chronically inhaled copying toner, a plastic dust pigmented with carbon black, titanium dioxide and silica, were also similar qualitatively to titanium dioxide and diesel exhaust. [10] Carbon black, one of the components of toner, is classified as "possibly carcinogenic" by the IARC.
Carbon tissue was a stock item in Europe and the US well into the 20th century, [1] but by the 1950s carbon printing was very rare and supplies for it became an exotic specialty item. Some companies produced small quantities of carbon tissue and transfer papers for monochrome and three-color work until around 1990.
An A4-size Gestetner offset-printing machine. The Gestetner is a type of duplicating machine named after its inventor, David Gestetner (1854–1939). During the 20th century, the term Gestetner was used as a verb—as in Gestetnering. [1] The Gestetner company established its base in London, filing its first patent in 1879.
Auto Trader was founded by John Madejski, [2] [3] Paul Gibbons and Peter Taylor as Thames Valley Trader in 1977. [4] It was rebranded Auto Trader in 1988. The first title was followed by the publication of a second one, Southern Auto Trader. [5] The company launched a website, Autotrader.co.uk, in 1996, giving people the ability to buy or sell ...
Since the sale of the sites for the production of pressroom chemicals in 2019, there are further production sites abroad in St. Gallen (label printing machines under the Gallus brand) and in the United States (folding machines for the brand Baumfolder). Around 87% of its turnover of €2.4 billion was generated abroad in the 2023/24 financial year.
Since the print was directly exposed, without the use of an intermediate film, the result was a negative print. A typical typewritten document would appear on the photostat print with a black background and white letters.
Mostarac was furious with the response. “Thank you Airbnb,” she snarked in the post’s caption. “As always, their policies failed to account for context,” she declared in a follow-up post.
Duplicating in the year B.C. - Before (xerographic) Copies at the Wayback Machine (archived June 24, 2009) Making Copies from Carbon to Kinkos; Copies in Seconds (PDF) Antique Copying Machines at Officemuseum.com; Office and Reprographic Printing Cheatsheet – Preservation Self-Assessment Program