This ad would probably be less effective if people realized that sodium acetyl salicylate is just aspirin.

Sneeze No. 1, The First Sign of a Cold

THIS EFFECTIVE WAY TO CHECK COLDS

AT the first sign of a cold, just drop one or two Alka-Seltzer tablets into a glass of water. When they bubble up and dissolve, drink the crystal clear, pleasant-tasting solution. Its beneficial action starts immediately. Continue using Alka-Seltzer according to the directions for colds as explained in the direction sheet in every package of Alka-Seltzer.