Tricks and magic

The secrets of escamoters and wizards of old times

Tricks > Tricks with eggs > Writting on egg

Writting on egg

Prepare a very tinny powder of alum alum and mix it with vinegar. Write something on the egg shell with this ink and boil it in salty water. The writing will disappear from outside, but if we peel egg, we will see the font on the egg white.