three o'clock
`` I shall have to go to Ipswich , and see about this , it may supply the missing link in our chain of evidence ! '' `` But how about this afternoon ? '' queried his wife . `` Oh , I can get to Salem by three o'clock , by fast riding . I will leave the roan horse for you . '' `` Saddle the grey mare , Jehosaphat . '' And thus it was that his brother Joseph , looking out of his sitting-room window , about an hour after his arrival at home , saw Master Thomas Putnam , on his well-known grey mare , riding along the road past his house on the most direct route to Ipswich .