Misc: In 1791 ---------- Fitch granted a US patent for his working steamboat ?

Questions

Which musical instrument has a mouthpiece called a 'fipple'?

Which palace was built by Henry VIII on the site of a leper hospital?

Worn in ancient Greece what was a 'petasus'?

What does 'll Trovatore', as in the opera, mean?

In which city would you find the Hancock Tower and Filene's bargain basement?