Membership Application Certificates (Candidates Circulars).
The Institution of Civil Engineers is the world's oldest professional engineering body. Its global membership has transformed the world since 1818. The membership application certificates, known as Candidates Circulars, provide a unique biographical record of engineers which chronicles their role in shaping civilization, providing a socio-economic insight into their backgrounds. The Certificates record personal contributions to what has become known as the Industrial Revolution and the infrastructure of the modern world.