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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. Which clock can function today, but is not run in order to preserve its parts?
(a) H-3.
(b) H-4.
(c) H-2.
(d) H-1.

2. What did Harrison build that still function today?
(a) Telephones.
(b) Clocks.
(c) Telescopes.
(d) Microscopes.

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

4. Which clock was capable of winning Harrison the Longitude Prize?
(a) H-1.
(b) H-4.
(c) H-2.
(d) H-3.

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

Short Answer Questions

1. Which of Harrison's clocks continue to function to this day?

2. What advantage did the magnetic variation method have over astronomical approaches at determining longitude?

3. How many working parts does the H-3 have?

4. What was the powder of sympathy method to determine longitude called?

5. The Parliamentary committee assembled to respond to the problem of longitude relied on which two experts?

(see the answer key)

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