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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 12: A Tale of Two Portraits.

Multiple Choice Questions

1. After successfully testing the H-4, how much of the Longitude Prize did Harrison receive?
(a) Half of the reward.
(b) Third of the reward.
(c) None of the reward.
(d) All of the reward.

2. What was the response by the Board of Longitude to Harrison's first presentation?
(a) The Board awarded him the monetary prize for solving the longitude problem.
(b) The Board asked for additional proof that his clock worked.
(c) The Board asked him to leave London.
(d) The Board gave him a loan to build a second clock.

3. Why did Maskelyne think Harrison shouldn't win the longitude prize?
(a) His clocks did not prove sea worthy.
(b) His clocks were not as precise as the lunar method.
(c) He throught Harrison too religious to win the prize.
(d) He thought Harrison too unsophisticated to win the prize.

4. What kind of solution to the longitude problem did the Board of Longitude originally desire?
(a) A map based one.
(b) An astronomical one.
(c) A clock based one.
(d) A telescope based one.

5. How many more times accurate was the H-4 than the Longitude Act required?
(a) Three times.
(b) Four times.
(c) Two times.
(d) Five times.

Short Answer Questions

1. How long did it take Harrison to build H-2?

2. How long did it take Harrison to build H1?

3. Who took Nathaniel Bliss's spot on the Board of Longitude?

4. Early clocks weren't up to measuring longitude at sea for two reasons. They were not accurate and changed because of what while at sea?

5. What does the coiled balance spring do in clocks?

(see the answer key)

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