1911 Seagrave Aerial Ladder Truck, the first powered ladder truck purchased by the Los Angeles Fire Department.

http://www.lafire.com/stations/FS023/FS023_1910-1921-hd.htm

http://www.lafire.com/fire_apparatus/LAFD-ApparatusPhotoGallery/photopages/Trucks/sn-000000/sn000078_1911Seagrave-AC80-CST.html