mural arc References mural arc 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: John Flamsteed…the means to construct a mural arc, a wall-mounted instrument for measuring the altitudes of stars as they passed the meridian. Read More…the means to construct a mural arc, a wall-mounted instrument for measuring the altitudes of stars as they passed the meridian. Read More