Home > Projects > Horizontal Sliding Window > 300 East 34th Street, New York, NY +300 East 34th Street, New York, NY0275 Series Horizontal Sliding+300 East 34th Street, New York, NY0275 Series Horizontal SlidingHotel Roosevelt, Hollywood, CA(4)River Place, Minneapolis, MN(1)Hopkinson House, Philadelphia, PA(2)300 East 34th Street, New York, NY(2)1500 Locust St., Philadelphia, PA(2)