TEXAS SCHOOL BOOK DEPOSITORY DIAGRAM OF SECOND FLOOR SHOWING ROUTE OF OSWALD] The stairway is located in the northwest corner of the Depository Building. The stairs from one floor to the next are “=L=-shaped,” with both legs of the “=L=” approximately the same length. Because the stairway itself is enclosed, neither Baker nor Truly could see anything on the second-floor hallway until they reached the landing at the top of the stairs.[C4-337] On the second-floor landing there is a small open area with a door at the east end. This door leads into a small vestibule, and another door leads from the vestibule into the second-floor lunchroom.[C4-338] (See Commission Exhibit No. 1118, p. 150.) The lunchroom door is usually open, but the first door is kept shut by a closing mechanism on the door.[C4-339] This vestibule door is solid except for a small glass window in the upper part of the door.[C4-340] As Baker reached the second floor, he was about 20 feet from the vestibule door.[C4-341] He intended to continue around to his left toward the stairway going up but through the window in the door he caught a fleeting glimpse of a man walking in the vestibule toward the lunchroom.[C4-342] Since the vestibule door is only a few feet from the lunchroom door,[C4-343] the man must have entered the vestibule only a second or two before Baker arrived at the top of the stairwell. Yet he must have entered the vestibule door before Truly reached the top of the stairwell, since Truly did not see him.[C4-344] If the man had passed from the vestibule into the lunchroom, Baker could not have seen him. Baker said: He [Truly] had already started around the bend to come to the next elevator going up, I was coming out this one on the second floor, and I don’t know, I was kind of sweeping this area as I come up, I was looking from right to left and as I got to this door here I caught a glimpse of this man, just, you know, a sudden glimpse * * * and it looked to me like he was going away from me. * * * I can’t say whether he had gone on through that door [the lunchroom door] or not. All I did was catch a glance at him, and evidently he was--this door might have been, you know, closing and almost shut at that time.[C4-345] With his revolver drawn, Baker opened the vestibule door and ran into the vestibule. He saw a man walking away from him in the lunchroom. Baker stopped at the door of the lunchroom and commanded, “Come here.”[C4-346] The man turned and walked back toward Baker.[C4-347] He had been proceeding toward the rear of the lunchroom.[C4-348] Along a side wall of the lunchroom was a soft drink vending machine,[C4-349] but at that time the man had nothing in his hands.[C4-350]