This architectural drawing and plan from 1889 - in no way an exception or an extraordinary project - nicely illustrates the amount of effort, fantasy and dedication architects from the late 19th and early 20th century put into the presentation of their projects.
One of the earliest measured drawings of an archaeological excavation in Britain was occasioned by a chance find in Lincoln. Interest in Roman remains in Britain was developing in the eighteenth century, when they were seen as a tangible link between the growing British Empire and that of the Romans. Drawings of Roman mosaics, ruins and finds were well known, but, unusually for the time, these Lincoln drawings show the remains as they were discovered, in context, carefully measured and in considerable detail.
Making history: antiquaries in Britain, 1707-2007, McCarthy, S. Nurse, B. 2007
… demonstrates how clearly the homology of plan, elevation, and perspective was understood.Perspective had become the primary architectural idea, allowing for the conception of architectural space as a geometrized yet transcendental entity.
Architectural Representation and the Perspective Hinge, Perez-Gomez A & Pelletier L, 1997