Misc: Burke and Wills are most associated with the exploration of which continent?

Questions

With which innovation in transport in the 1830s is the english surgeon and inventor Sir Goldsworth Gurney associated?

Which locksmith issued the following challenge about the lock that he made- any artist who can make an instrument that will pick or open this will receive 200 guineas?

Which small french car first designed in 1939 is affectionately known as the tin snail?

In cricket where is a yorker pitched to land?

Which fortified wine is particularly associated with the River Douro?