"I had better," said he, "give you a general outline of the case as it presents itself to the legal mind, and then my client, Mr. Reuben Hornby, can fill in the details if necessary, and answer any questions that you may wish to put to him.
"Mr. Reuben occupies a position of trust in the business of his uncle, John Hornby, who is a gold and silver refiner and dealer in precious metals generally. There is a certain amount of outside assay work carried on in the establishment, but the main business consists in the testing and refining of samples of gold sent from certain mines in South Africa.
.....
He handed me the lens and I scrutinised every part of each hand without being able to detect the faintest trace of any recent wound.
"There is one other matter that must be attended to before you go," said Thorndyke, pressing the electric bell-push by his chair. "I will take one or two prints of the left thumb for my own information."
