Series of four illustrations demonstrating a procedure for an aneurysm in the brain.Having exposed the brain with a craniotomy, the drawings illustrate how the brain tissue above the abnormality is retracted using surgical instruments to expose the aneurysm.

Depicts surgical exploration of the left superior lateral orbit. A craniotomy has been performed and the frontal lobe has been elevated with retractors. Titled on back as 'Orbit. - Surgical Exp. Supero. Lat.'

Five drawings on one sheet, depicting a surgical procedure for aneurysm.

Four drawings on a single page depicting the method of accessing and ligating an intracranial aneurysm; 1) overall view of head and planned surgical incision points indicated, 2 & 3) craniotomy + retraction of the brain to reveal the aneurysm underneath, 4) close-up view of method of ligating aneurysm.

Single illustration demonstrating a craniotomy performed above the location of the aneurysm. The meninges have been pulled back to reveal the aneurysm. Numbered II.

Single illustration demonstrating successfully resected aneurysm.. Numbered VI.

Series of three drawings depicting the ligation of the vessels supplying the aneurysm. Numbered III, IV and V. Accompanied by note, "C.A.F Series. Slide 313 CAF1."

Lecture by Norman Dott, 'Ruptured intracranial aneurysms'. The material consists of text of lecture with 56 slides, dated September 1963.

Demonstration board with three x-rays showing the brain of a named patient before and after corrective procedure and accompanying notes on their case, details of what is shown in each film, and an illustration of part of the procedure. Label on the back of the board, "Pre-ligation test. Carotid tree."

Label for demonstration board, titled 'Saccular Aneurysms Basilar Tree.'