- unitid
-
{"value"=>"3139317", "type"=>"local_mss"}
{"value"=>"681292", "type"=>"local_mss_av"}
- unitdate
-
{"value"=>"1986 July", "type"=>"inclusive", "normal"=>"1986-07"}
- unittitle
-
{"value"=>"Heartbeat Tests"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 audio recording", "unit"=>"audio_recordings"}]}
- scopecontent
-
{"value"=>"<p>Side A: 60 BPM. Side B: 43 BPM</p>"}
- date_start
-
1986-07
- keydate
-
1986-07
- date_end
-
1986-07
- date_inclusive_start
-
1986
- date_inclusive_end
-
1986
- extent_statement
-
1 audio recording