A Little OMO - A Big Wash

OMO is the most economical washer. A 3d. packet yields 10 gallons of splendid washing fluid. Using OMO no other soaps are needed, nor any bleaching powder. OMO bleaches, cleanses and purifies all at once. And does all these without needing any attention from you...
Source: The Illustrated London News. May 21, 1910