- unitid
-
{"value"=>"3486684", "type"=>"local_mss"}
{"value"=>"300511", "type"=>"local_mss_av"}
{"value"=>"284", "type"=>"local_call"}
- unitdate
-
{"value"=>"1969 July", "type"=>"inclusive", "normal"=>"1969-07"}
- unittitle
-
{"value"=>"Advertising Demo"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"00:14:47", "unit"=>"timecode"}]}
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 audio recording", "unit"=>"audio recordings"}]}
- date_start
-
1969-07
- keydate
-
1969-07
- date_end
-
1969-07
- date_inclusive_start
-
1969
- date_inclusive_end
-
1969
- extent_statement
-
(00:14:47) . 1 audio recording