Although Bruce Manson, in his first Train Collector's Quarterly article cited on the New York Hall of Science page, identifies this photo and another as being taken on 4th floor, the lighting fixtures and the items displayed are more indicative of the 3rd floor wholesale toy division displays. Another photo in that article of what appears to be this same area is identified as a third floor view.
Although Bruce Manson, in his first Train Collector's Quarterly article cited on the New York Hall of Science page, identifies this photo and another as being taken on 4th floor, the lighting fixtures and the items displayed are more indicative of the 3rd floor wholesale toy division displays. Another photo in that article of what appears to be this same area is identified as a third floor view.