think, practically solved it already, but time will show.”
He picked up a violin which lay on the table, and drew the bow once or twice across the strings.
Tuppence ground her teeth and even the explorer blenched.
The performer laid the instrument down again.
“A few chords from Mosgovskensky,” he murmured. “Leave me your address, Mr. Stavansson, and I will report progress to you.”
As the visitor left the office, Tuppence grabbed the violin and putting it in the cupboard turned the key in the lock.
“If you must be Sherlock Holmes,” she observed, “I’ll get you a nice little syringe and a bottle labelled Cocaine, but for God’s sake leave that violin alone. If