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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 10: The Diamond Timekeeper.

Multiple Choice Questions

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

2. Which clock was Harrison's greatest triumph?
(a) H-3.
(b) H-4.
(c) H-1.
(d) H-2.

3. The main problem with the lunar method was that it took a great deal of ________________.
(a) Measuring.
(b) Writing.
(c) Time.
(d) Calculating.

4. Who developed the "lunar distance method" to longitude?
(a) Johannes Werner.
(b) Ole Roemer.
(c) John Flamsteed.
(d) Admiral Shovell.

5. How did astronomers feel about Harrison's clock idea for solving the problem of longitude?
(a) They thought it had promise and could be used in conjunction with the lunar theory.
(b) They thought that it was outrageous because it didn't require the intellect of the lunar theory.
(c) They thought it ridiculous because it would be too expensive to mass produce clocks.
(d) They saw potential but were still very skeptical.

Short Answer Questions

1. What did Harrison complete in 1759?

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

3. What was the problem with pendulum clocks on ships?

4. Who was in command of the ships that ran into the Scilly Islands near England?

5. What role did the Board of Longitude play?

(see the answer key)

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