- unitid
-
{"value"=>"*LT-10 7696", "type"=>"local_call"}
{"value"=>"919007", "type"=>"local_mss"}
- unitdate
-
{"value"=>"April 17, 1950", "type"=>"inclusive", "normal"=>"1950-04-17"}
- unittitle
-
{"value"=>"Commercial spots"}
- physdesc
-
{"format"=>"simple", "value"=>"1 sound disc : analog, 33 1/3 rpm, aluminum-based acetate, mono. ; 16 in."}
- originalsloc
-
{"value"=>"<p>*LJ-16 2255.</p>"}
- note
-
{"value"=>"Access to original items restricted."}
{"value"=>"Contents: Bell Telephone ad."}
- date_start
-
1950-04-17
- keydate
-
1950-04-17
- date_end
-
1950-04-17
- date_inclusive_start
-
1950
- date_inclusive_end
-
1950