Playground Technique and Playcraft, Volume 1

American apparatus Architects Association athletic attached bath bolts bottom boys brick building Camp casting cement child club coat combination committee complete concrete connection construction cost covered directed door Education equipment erected feet fence field finished fittings floor foot four frame furnish galvanized garden girls give grade ground gymnasium head holes Hygiene illustrated inches inside interest iron joints keep ladder material means method Nature necessary Park Physical pieces pipe plants play playground poles possible roof rope sand screen screw secured shower shown shows side slide soil specifications Standard steel story street stride Study surface swing switches things thread track trees walls wire wood