controversy between the producers and the distributors ofmilk
during the summer and autumn, exhaustive advertisements in
all the New York papers set forth the position of the distributors
and gave a mass of important information in regard to the scien tific and hygienic handling of milk as well as the industrial questions involved . The anthracite coal operators explained the demands of the operatives and their reasons for not granting them . A series of bulletins issued by the Bethlehem Steel Com
pany advertised in the summer of 1916 the advantages of having armor plate manufactured by privately owned companies rather than by Government-owned plants.
That this conviction of the value of the advertisement in acquainting the public with both sides of a controversy has had a basis in fact seemsborne out by the great acceleration in this form of advertising since 1916 . Late in 1918 , and in 1919, public opinion was appealed to through the advertisements of both sides in the hotel waiters ' strike, the harbor strike, the building
industries controversy, the international ladies ' garment workers
union dispute, the printers' strike, the disputes involving the publishers' printing companies, theater managers and actors , and various other industries and occupations. Among the most persistent of all advertisers have been the Dairymen 's League and the various individual and collective milk producers' asso ciations. All the questions at issue in the milk drivers ' strike in 1921 were presented through advertisements , while both sides of
the question of trading stamps and coupons have been presented through advertisements .
But industrial relations involve much besides strikes and controversies and the advertisement often appeals to the public or to definite classes through information given, and points out their co -operative or contributory responsibility . In 1916 , the Illinois Railroad Committee advertised the comparative risks from railway trains incurred by motor vehicles, horses , and teams, and pedestrians in crossing railway tracks; gave the
percentage of each class that looked neither way, both ways, or one way only ; and showed which should stop and why. The Long
Island Railroad advertised a long series of “ Life-Saving Bulle tins” asking the public to use every reasonable caution on
