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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 did Harrison complete in 1759?
(a) H-3.
(b) H-1.
(c) H-2.
(d) H-4.

2. What is the main point of Chapter 6: The Prize?
(a) Explain the clock based approach to longitude.
(b) Determine the winner of the longitude prize.
(c) Award a prize of land for an article published about latitude.
(d) Explain the goal of the people in the book: win the prize by solving the problem of longitude.

3. Before using clocks to navigate longitude, sailors used the __________.
(a) Compass.
(b) Currents.
(c) Maps.
(d) Sky: sun, moon, stars and constellations.

4. What does the term "dead reckoning" refer to?
(a) A primitive way to navigate at sea using estimates from a fixed point.
(b) A way to verify the number of sailors lost at sea.
(c) An advanced way to determine longitude using clocks.
(d) An early way to navigate at sea using the position of stars and the moon.

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

Short Answer Questions

1. What is the size of the H-4?

2. What did WIlliam Whiston contribute to the longitude debate?

3. What was the punishment for mutiny on the Association?

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

5. What was the response by the Board of Longitude to Harrison's first presentation?

(see the answer key)

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