The physician had taken his patient's pulse and temperature, and proceeded to ask the usual questions. "It--er--seems," said he, regarding the unfortunate with scientific interest, "that the attacks of fever and the chills appear on alterna... Read more of MALARIA at Free Jokes.caInformational Site Network Informational
Privacy

   Home - Science Experiments - Things Worth Knowing - Wise Facts - Curious Facts



New Invisible Ink








C. Wideman communicates a new method of making an
invisible ink to Die Natur. To make the writing or drawing appear
which has been made upon paper it is sufficient to dip it in water. On
drying the traces disappear again, and reappear again at each
succeeding immersion. The ink is made by intimately mixing Linseed Oil
one part. Water of Ammonia twenty parts, Water 100 parts. The mixture
must be agitated each time before the pen is dipped into it, as a
little of the oil may separate and float on top, which would, of
course, leave an oily stain upon the paper.





Next: Bucher's Carmine Ink
Previous: Violet Copying Ink



Add to del.icio.us Add to Reddit Add to Digg Add to Del.icio.us Add to Google Add to Twitter Add to Stumble Upon
Add to Informational Site Network
 Report
Privacy
SHAREBOOKMARK


Viewed 225
Untitled Document