Roaring Twenties

1927-29 - 1.5 million ordinary Americans bought shares

1929 - 75% cars, 50% electrical goods

'halistosis', 1929 - $2 billion spent on advertising

Oct 1925 - Model T Ford produced every 10 seconds, original Model T - $950, 1925 - $290

1929 - 19 million fridges sold, $850 million spent on radio equipment p.a.

Henry Ford introduced the assembly line

low taxes, tariffs on foreign goods

factory production grew by 35% during war, supplied 30% world wheat

confident state of mind, hire-purchase, advertising, motor cars, new tech, natural resources, republican presidents, mass production, WWI

staff visited workers to teach clean and healthy living, english classes for immigrants, $5 a day wages

15 min lunch and 3 min toilet break, complain - sacked, hired thugs to identify trade unionists

Steamboat Willy 1928 - first Disney film, worth $2 billion a year, Charlie Chaplin and Gloria Swanson

Duke Ellington and Louis Armstrong, Charleston and Black Bottom, F. Scott Fitzgerald called it the 'jazz age'

Gertrude Ederle - first woman to swim the channel 1926, Babe Ruth record 60 home runs, Jack Dempsey - boxing

radio adverts - Max Factor and Listerine, Amos 'n' Andy show

1920 - 8 million cars, 1929 - 23 million, visit suburban shopping centres - plans for this in Kansas City began in 1922

20% of workforce

2 in the House of Representatives 1928

10% to 17%

12% married women had jobs by end of decade, december 1927 - earned $12 less than a man each week

Clara Bow 'It Girl', 40,000 beauty parlours by 1930

proportion of women in higher education compared to men fell during 20s

rayon, prohibition began 1917

tractors in 1920 - 10 times as much as 1915, production rose by 9%

in 10 years - 1 million fewer

1920 - 568 million tonnes, 1930 - 518 million tonnes of coal, replaced by oil

only grew by 10% - slower than before