How do I distinguish an original drawing from a print?

Examine the surface under magnification to check for the indented plate mark left by printing presses or the raised pigment of ink and graphite resting on the paper fibres. Originals show subtle hand pressure, corrections, and varying line weights unique to the artist's hand. Prints display uniform dot patterns, mechanical hatching, or flat inked lines without the microscopic pooling characteristic of wet media.

What periods do these architectural works represent?

The selection spans from the 18th century through the mid-20th century, capturing shifts in drafting standards from neoclassical engravings to early modernist townscapes. Georgian and Victorian examples often emphasise classical antiquity and Gothic revival studies. Later 20th-century pieces reflect broader artistic interpretations of urban streetscapes and historical monuments alongside traditional technical elevations.

How were these drawings used originally?

Architects, surveyors, and students produced these sheets for structural planning, competitions, Grand Tour travel records, and institutional training at schools like South Kensington. Many served as preparatory studies for grand construction projects or illustrative plates in architectural treatises. Others functioned as finished artworks documenting historic European and British buildings for collectors and travellers.