6. Name some of the important industries of Philadelphia.
7. Tell what you can of Philadelphia's great iron and steel works.
8. Tell something of the history and the present importance of printing in Philadelphia.
9. Give some interesting facts about the city's great park.
10. State briefly some of the things which may be seen in a visit to the mint.
11. What events of great historical interest have taken place in Carpenters' Hall and Independence Hall?
