… Man-made structures such as buildings, walls, roads, pavements and street furniture with their clearly delineated lines make the ideal subject for studies in linear perspective. … Using a pencil or pen complete a larger drawing in which you attempt to map accurately the scale of receding objects and record converging lines that convey a sense of receding space.
I returned to the left hand side of the Lowry for this exercise but sat further away from the buildings. I felt the metal strips on the underside if the half-cylinder would make for a good example of linear perspective. I used a fine liner pen on A3. I had considered adding ink washes for the shadows but decided against this. I simply forgot about the windows in the building on the right hand side! (And, yes, it does slope forward like that!)