- unitid
-
{"value"=>"*LJ-12 993"}
{"value"=>"*LJ-12 994"}
{"type"=>"local_mss", "value"=>"913796"}
- unitdate
-
{"value"=>"January 22, 1941", "type"=>"inclusive", "normal"=>"1941-01-22"}
- date_inclusive_start
-
1941
- date_inclusive_end
-
1941
- unittitle
-
{"value"=>"<span class=\"title\">Binary synchronization</span> / <span class=\"persname\">Joseph Schillinger</span>,."}
- physdesc
-
{"format"=>"simple", "value"=>"2 sound discs : analog, 78 rpm ; 12 in."}
- note
-
{"type"=>"did", "value"=>"Access restricted. Advanced notification required for use."}
- date_start
-
1941-01-22
- date_end
-
1941-01-22
- keydate
-
1941-01-22