Why did mimeograph ink smell so good?
Why did mimeograph ink smell so good? The smell came from the ditto machine’s duplicating fluid, a mix of methanol and isopropanol. The school office staff typed announcements, and then ran them through the ditto, for students to take home.
What was the purple copy machine called?
Ditto machine
Unsourced material may be challenged and removed. A spirit duplicator (also referred to as a Rexograph or Ditto machine in North America, Banda machine in the UK) is a printing method invented in 1923 by Wilhelm Ritzerfeld that was commonly used for much of the rest of the 20th century.
How do you make mimeograph ink?
Ink can leave hard-to-remove stains on your hands. Combine in one bowl 1-1/5 ounces of black carbon with 1/3 ounces of polyvinylpyrrolidone (K90). The black carbon works as the colorant and the K90 works as a pigment dispersing agent. Add 4 ounces of distilled water to the mixture.
Is a mimeograph the same as a ditto machine?
The mimeograph printing process used an ink-filled cylinder and ink pad. In contrast, the ditto machine used no ink. The user typed, wrote, or drew on a ditto master sheet which was backed by a second sheet of paper coated with a dye-impregnated, waxy substance.
When did they stop using mimeograph?
Beginning in the late 1960s and continuing into the 1970s, photocopying gradually displaced mimeographs, spirit duplicators, and hectographs. For even smaller quantities, up to about five, a typist would use carbon paper.
Are mimeograph machines still used?
The mimeograph became largely obsolete with the development of xerography and other photocopiers.
When did they stop using mimeograph machines?
Early fanzines were printed by mimeograph because the machines and supplies were widely available and inexpensive. Beginning in the late 1960s and continuing into the 1970s, photocopying gradually displaced mimeographs, spirit duplicators, and hectographs.
What kind of material is a mimeograph paper?
It usually contained a high percentage of cotton fibers mixed with chemical wood pulp and/or mechanical wood pulp. It ranged in weight from 16 to 24 pound.
What is the smell of mimeograph?
With its rapturously fragrant, sweetly aromatic pale blue ink, mimeograph paper was literally intoxicating. Two deep drafts of a freshly run-off mimeograph worksheet and I would be the education system’s willing slave for up to seven hours.”[1] Bryson appears have confused dittos with mimeographs, however.
How did mimeographs work?
Essentially, it was a stencil machine combined with an ink roller. Rather than using an additive process to make the necessary pages, the mimeograph relied on a master page, often made of wax, that had elements stenciled out. The ink was then forced through the holes in the master page, producing high-quality copies.
What is the difference between mimeograph and ditto?
What kind of ink did a mimeograph machine use?
The mimeograph did not use “heavenly smelling blue ink.” It used sticky tar-like ink, usually black. The machine you’re referring to was a spirit duplicator, which used methyl alcohol as a solvent to dissolve copies from a “master unit” onto duplicator paper. The copy material was purple (not blue). The “heavenly smell” was the methyl alcohol.
What is the difference between a mimeograph and a spirit duplicator?
Mimeograph. The stencil duplicator or mimeograph machine (often abbreviated to mimeo) is a low-cost duplicating machine that works by forcing ink through a stencil onto paper. The mimeograph process should not be confused with the spirit duplicator process. Mimeographs, along with spirit duplicators and hectographs,…
What are the colors on a mimeograph paper?
The usual color was purple, but there were also a few other colors — “red” was really pink, “green” was dark mint, “blue” was light aqua. The paper was slightly slick or shiny, like cheap copy paper now.
What’s the difference between a mimeograph and a stencil?
A mimeograph machine (often abbreviated to mimeo, sometimes called a stencil duplicator) is a low-cost duplicating machine that works by forcing ink through a stencil onto paper. The process is mimeography. A copy made by the process is a mimeograph .