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This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.

Multiple Choice Questions

1. What two problems did H-3 solve that previous clock designs didn't?
(a) Temperature and friction.
(b) Force and gravity.
(c) Light and speed.
(d) Size and stability.

2. Who was Edmund Halley's heir?
(a) Leonhard Euler.
(b) Tobias Mayer.
(c) James Bradley.
(d) Thomas Godfrey

3. What country was Thomas Godfrey from?
(a) Spain.
(b) United States.
(c) France.
(d) England.

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

5. What was the result of the test by Maskelyne of the H-4.
(a) The H-4 failed the test.
(b) The test was never completed of the H-4.
(c) The H-4 passed the test.
(d) The H-4 broke down midway through the test.

Short Answer Questions

1. What was the main point of Harrison's first presentation before the Board of Longitude?

2. What did Edmund Halley successfully predict?

3. Who was famous for reducing the motion of the planets to a few equations?

4. By the mid-nineteenth century, what was the accepted way to navigate longitude?

5. How did John Arnold make so many watches at such an economical price?

Short Essay Questions

1. What happened when Harrison presented H-1 to the Board of Longitude?

2. Explain the relationship between Harrison and Jefferys.

3. Explain the title of Chapter 12: A Tale of Two Portraits.

4. What was Harrison's ultimate vindication?

5. What hurdles did Harrison have to jump over even though the H-4 was accurate enough to win the Longitude Prize?

6. What happened when King George III took an interest in Harrison's clocks?

7. Describe Harrison's relationship with the Board of Longitude.

8. What happened when H-3 and H-4 were tested at sea?

9. Describe the progression of Harrison's clocks in Chapter 8: The Grasshopper Goes to Sea.

10. What effect did Harrison's success have on the Longitude Act and the Board of Longitude?

(see the answer keys)

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