The Changing City

1. The Changing City Pgs. 232-234

2. The Changing City • Even with their many problems, cities came to stand for all that was good in industrial America. • Besides factories, stores, and tenements, cities had parks, theaters, schools, zoos, railroad stations, and tall office buildings.

3. William Jenney • Before 1885 buildings could not be taller than four or five stories. The bricks on the bottom could not support the weight. • In the 1880s an engineer named William Jenney found a way to build taller buildings.

4. Skyscrapers • William Jenney used steel frames to hold up buildings the way a skeleton holds up a body. • In 1885 he built the ten-story Home Insurance Company Building in Chicago. • It was the world’s first tall, steel-frame building.

5. Skyscrapers

6. Flatiron Building New York 1910 • Construction of the Flatiron Building was completed in 1902. • The building has 22 stories and was designed by Chicago architect Daniel Burnham.

7. Other Inventions • The first electric elevator was placed in a New York building in 1889. • Street cars were used to transport people into cities. The first street cars were pulled by horses.

8. Cable Cars • Cable cars were invented by Andrew Hallidie in 1873. • The cars were attached to a steam powered cable running in a slot in the street. • Fifteen cities installed cable cars. • Chicago had 710 cable cars.

9. Street Cars • Streetcars were invented in the 1880s by Frank Sprague. • His streetcar ran along tracks in the street but was powered by electricity.

10. Cities Grow • As more tracks were laid, people moved farther and farther from the center of the city. • They could now live away from the inner city with its many problems.