- unittitle
-
{"value"=>"How the Earth Is Made a Magnet - Northern Lights, Tornadoes, etc."}
- container
-
{"type"=>"box", "value"=>"5"}
{"type"=>"folder", "value"=>"9"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"value"=>"A.Ms.", "name"=>"physfacet"}, {"value"=>"28 p.", "name"=>"extent"}], "supress_display"=>true}
- extent_statement
-
28 p., A.Ms; 28 p., A.Ms
- unitid
-
{"type"=>"local_mss", "value"=>"486201"}