Inspection and verification system - is used for results of games and lotto cards are inserted below transparent window with checking numbers

摘要

The apparatus comprises a plane plate whose dimensions are at least equal to the dimensions of the grid on the ticket which is to be checked. The plate has a transparent window whose dimensions correspond exactly to the grid. The upper surface of the window can receive temporary inscription. The window is marked out to correspond with the grid to be checked. Checking numbers are marked on the window. Provision is made for inserting the ticket to be checked below the window and correctly aligning it.