eight o'clock
But before leaving he gave to Westerfeltner explicit instructions for the delivery of the dispatch -- when he had succeeded in getting his hands on it -- to a third party , a special go-between , with whom Westerfeltner was to communicate by telephone . `` Late the next day Westerfeltner did succeed in getting his hands on the document . That same evening , in accordance with his instructions , he called up from his house a certain number . He had been told to call this number exactly at eight o'clock and to ask for Mrs. Williams . Without delay he got Mrs. Williams on the wire . Over the wire a woman 's voice told him to meet her at the McPherson Statue in McPherson Square at eleven-fifteen o'clock that night . He was there at the appointed hour , waiting .