torquetum References torquetum instrument Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: protractor…astronomical observing device called the torquetum that was equipped with a semicircular protractor. Read More…astronomical observing device called the torquetum that was equipped with a semicircular protractor. Read More