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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. How long did it take Harrison to build H1?
(a) Twenty years.
(b) Ten years.
(c) Five years.
(d) Six months.

2. Which clock did Harrison become dissatisfied with and never made to sea?
(a) H-1.
(b) H-3.
(c) H-2.
(d) H-4.

3. Who completed the first working pendulum clock?
(a) Christian Huygens.
(b) Galileo.
(c) Thomas Blundeville.
(d) Vincenzio.

4. What was Huygens best known as?
(a) The first great horologist.
(b) The first great astronomer.
(c) The first great scientist.
(d) The first great philosopher.

5. Early clocks weren't up to measuring longitude at sea for two reasons. They were not accurate and changed because of what while at sea?
(a) Wind.
(b) Speed of the boat.
(c) Rocking of the boat.
(d) Temperature.

Short Answer Questions

1. When did clock makers begin to design clocks to measure longitude?

2. What did Harrison need to do to prove the H-4 worked?

3. Who did Harrison first contact when he arrived in London?

4. Who took Nathaniel Bliss's spot on the Board of Longitude?

5. The Board of Longitude demanded Harrison hand over the H-4 so it could be used by whom?

(see the answer key)

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