- unitid
-
{"value"=>"3486746", "type"=>"local_mss"}
{"value"=>"300573", "type"=>"local_mss_av"}
{"value"=>"353", "type"=>"local_call"}
- unittitle
-
{"value"=>"Experiments"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"00:31:58", "unit"=>"timecode"}]}
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 audio recording", "unit"=>"audio recordings"}]}
- note
-
{"value"=>"See also Bromo Seltzer in Advertising."}
- extent_statement
-
(00:31:58) . 1 audio recording