super-calender

Updated: May 23, 2025

This change also occurs when the paper written upon has been run through a super-calender. If the paper is not wet the characters can be made to appear or be blotted by the successive action of sulphurous and iodine vapor. "Writing done by means of glass tips instead of pens will show very little, especially when traced between the lines written in ink.

Jerome Buell Lavay - Disputed Handwriting : An exhaustive, valuable, and comprehensive work upon one of the most important subjects of to-day. With illustrations and expositions for the detection and study of forgery by handwriting of all kinds