July 1-3- The Battle of Gettysburg, Pennsylvania. The bloodiest battle of the Civil War dashes Robert E. Lee's hopes for a successful invasion of the North. July 4- Vicksburg, Mississippi, surrenders to the Union Army under Grant.
Method. 1  Test the pen to make sure it can tell the difference between good money and computer paper. 2  Apply spray starch to the next dollar bill in an attempt to make it read as fake. 3  After drying, test the results by re-applying the counterfeit money detector pen to both the dollar and to the computer paper.
Report Abuse. I sure don't know this for a fact, but I think the X-ray machines in the checked luggage at the airport are looking for metal stuff like bombs. I don't think they are looking for paper money.The machine might be able to discern a stack of bills in one's luggage but it would look like any stack of paper of that size.he metal strips are placed into money to detect large amounts of money. TSA may not be able to see it is money, but I assure you they will do a secondary inspection based on what they initially see and then you will be in serious trouble.