jellygraph การใช้

For a whole year they ran an unofficial monthly paper called the Bolshevik, duplicated with jellygraph.
Wodehouse assumes his reader knows exactly what a jellygraph is and alludes to its being unattractive : " This jelly business makes one beastly sticky.
The advance of technology has made part of the story opaque to the modern reader . " On Sunday we jellygraph it ", writes Wodehouse without explanation.
In the final chapters of " The Pothunters " by P . G . Wodehouse the major characters use a jellygraph to produce a school magazine at very short notice.
Jellygraph was a method of making a limited number of copies, about 20 to 80, from a master copy written with a special type of pencil containing " jellygraph pigment ".