'First Edition'. Original plastic cylinder containing ten mixing and measuring 'sticks', 8 1/2 by 1 inch (box), printed label. Ingenious post prohibition cocktail mixing tool in which one would dip the stick into a glass and fill alcohol and mixers up to the appropriate lines. A contemporary 1933 newspaper advertises the Mix-O-Meter for seventy five cents. Very Good in Very Good box, stain to lower box.