RHETOR 151 Chapter 1: R151 Reading 1:19 (1)
19 Jan 2017
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On the methods of long distance control: vessels, navigation, and the portuguese route to. Focusing on vessels (1) seen in context of the carreira, they display prop crucial to systems of ldc (2) their shape and form are part of the system. Medieval euro sailing vessel had mobility and integrity limited to a. European scale > mobility and creation of env in which vessels may operate with integrity were the first requirements for imperial control. In order to act as the kind of check needed these features to be observable > not always possible. Made available a range of astronomical and geographical data essential to convert crude measurements of the altitude of the sun into data about the latitude. Set of rules telling mariner how he should use the instrument and data to determine latitude (rule for raising the pole/ regiment of the north/ Regiment of the sun) > written for novices.
