5:50
His telegram might tell us . Where was it sent from ? '' He sprang up , went to the writing-table near the window , and caught up the crumpled thin paper that he had flung down there . Smoothing it out , he read , holding the paper close to a wax candle : `` Handed in at the Marylebone Road office at 5:50 . '' His brow clouded . `` Marylebone Road , '' he repeated , looking at the doctor . `` Why should he be there ? ''