1881 American and Other Drinks (second edition) Hard cover by Leo Engel

LEO EN GEL'S

FA-TEISTT

Checking Machine. The only preuentatiue against fraud.

After long and tedious experiments, Mr. Leo Engel has. invented this most ingenious Checking Machine against fraud,, which is now in use at a number of Places of Amusement and Commercial Houses. It is of the most simple construction, as the drawing above indicates, and requires no teaching in handling. Its uses are innumerable,and Mr.Engel would suggest, that for Co-operative Stores, Restaurants, Theatres, Music Halls, and all kinds of Business Establishments, it is invaluable. All applications as to this Invention are to be made to LEO ENGEL, Inventor and Patentee, 15, ANGEL COURT, E.G.