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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. When did clock makers begin to design clocks to measure longitude?
(a) 17th century.
(b) 15th century.
(c) 16th century.
(d) 14th century.

2. Hooke nor Huygens were able to:
(a) Collaborate on a working clock.
(b) Get the Royal Society to declare a winner.
(c) Produce a clock that worked at sea.
(d) Collect on the monetary prize offered for solving the problem of longitude.

3. Who won the Hooke/Huygens conflict?
(a) Neither.
(b) Hooke.
(c) Both.
(d) Hugyens.

4. What did George Graham give Harrison?
(a) A pass to the Royal Observatory.
(b) A model clock.
(c) A book on the mechanics of clockmaking.
(d) A loan to build his first clock.

5. How long would Nevil Maskelyne test the H-4 at the Royal Observatory?
(a) Ten months.
(b) Six months.
(c) One year.
(d) Two months.

Short Answer Questions

1. Who completed the first working pendulum clock?

2. What did Huygen's published argument state?

3. After successfully completing the H-4, who passed an act that placed new restrictions on Harrison?

4. How long did Harrison spend building H-3?

5. How did Maskelyne obtain all four of Harrison's clocks?

(see the answer key)

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