The Window Sightline

Could a passing student really see the papers on Soames's desk? Measure the man against the sill.

The whole case turns on a glance through a window in passing. Enter a walker's height and the sill's, and find who could have seen the proofs at all.

Drawn from The Adventure of the Three Students (The Return of Sherlock Holmes, 1904) — read the summary & analysis, or try Who Copied the Greek?, this story's game. More at the Game Room and the tool bench.