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Unlike a spirit duplicator master, a hectograph master is not a mirror image. Thus, when using a spirit duplicator master with a hectograph, one writes on the back of the purple sheet, using it like carbon paper to produce an image on the white sheet, rather than writing on the front of the white sheet to produce a mirror image on its back.
A spirit duplicator (also Rexograph and Ditto machine in North America, Banda machine and Fordigraph machine in the U.K. and Australia) is a printing method invented in 1923 by Wilhelm Ritzerfeld, which was used for most of the 20th century. The term "spirit duplicator" refers to the alcohols that were the principal solvents used in generating ...
The hectograph introduced in 1876 or shortly before, was a technology in which a dye-impregnated master copy, not unlike a spirit master, was laid on top of a cake pan full of firm gelatin. After the dye soaked into the gelatin, sheets of paper could be laid on top of the gelatin to transfer the image.
I recently needed to replace the ink on my HP inkjet printer. Four little name-brand HP cartridges of yellow, blue, red and black cost me $123. Ounce for ounce, that's more than the price of Dom ...
The blessing scam targets elderly Chinese immigrant women, convincing them that an evil spirit threatens their family and that this threat can be removed by a blessing ceremony involving a bag filled with their savings, jewelry or other valuables. During the ceremony, the con artists switch the bag of valuables with an identical bag with ...
A new report has determined which U.S. airlines have the most customer complaints, and the airline at the top of the list is a small carrier you might not have heard of. "CBS This Morning" has more.
The Sinclair ZX Printer, a small spark printer for the ZX81 and ZX Spectrum computers. Spark printing is an obsolete form of computer printing and before that fax and chart recorder printing which uses a special paper coated with a conductive layer over a contrasting backing, originally black carbon over white paper but later aluminium over black paper.
Ripoff Report is a private for-profit website founded by Ed Magedson. [1] The Ripoff Report has been online since December 1998 and is operated by Xcentric Ventures, LLC which is based in Tempe, Arizona. [2]