This study will explore the genesis of the architectural plan as a projection through a sequence of drawings, constructed through journeys in the city of Rome. The plan as a projected architectural drawing has a less palpable relationship to the sense of sight than elevations or sections; it is often considered to be more abstract and notational than the other two orthographic views. Utilizing techniques derived from plane table surveying and marine navigation, these drawings will re-envision the architectural plan in relation to the sense of sight, the passage of time, and orders of movement through space. The drafting table, made mobile, will become the vessel for the navigation and observation of space. These journeys of observation and measurement will explore the Renaissance and Baroque architecture of Rome to derive a fragmentary city plan, stitched together by sight lines. This plan will become the projection plane for a physical construction that unfolds the relationships between sequences of space, durations of time, encounters with tectonic elements, and remnants of serendipitous discoveries.