Show SECRET INKS Those who with to carry on a secret correspondence with Ihelr frlendt should try Invisible or lympatbetlc Ink A whole page may be Ailed with writIng writ-Ing and still be entirely white at If there wasnt a word upoh II In this way It may be sent any distance and no une can find out what It contain Hut the person who rrcelvr It knows ihe secret 01 bringing out the writing to thai It may easily be read One ol the simplest of these Invisible inks U a very diluted olutlon ol sulphuric sul-phuric arid Ituy 5 cent worth ol the add al a drug tore and pour In a considerable con-siderable quantity ot water at least three or lour times ai much ai there li ol the acid Now wells with this solution solu-tion using an ordinary pen and olot the surplus Ink ai you go along To make the writing how black all your correspondent hat to do fi I to hold the tetter close to a hot stove when presto I out come the letters and words one by one to that they may easily be read Another good secret Ink more difficult diffi-cult lo bring out than the one already mentioned can be made by using a cheap solution of sugar ol lead To bring out the written word It Is necessary neces-sary to iponge the letter wish a solution ol iiilphuret ammonia Another ample secret Ink It made ol a weak solution of ordinary starch A letter written with thli will remain en timely Invisible until It It washed wllh a solution ol Iodine which quickly bring out the writing In using secret Ink Ills I belt lo wrlle t an ordinary teller telling about the weather and other Important things and then between the lines write wllh HIP secret Ink This will serve is lead astray any one who sees the letter because be-cause there could be no suspicion of an thing written between the lines Chicago Record |