- unitid
-
{"value"=>"*LT-10 7696", "type"=>"local_call"}
{"value"=>"919042", "type"=>"local_mss"}
- unitdate
-
{"value"=>"December 18, 1950", "type"=>"inclusive", "normal"=>"1950-12-18"}
- 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 2299.</p>"}
- note
-
{"value"=>"Access to original items restricted."}
{"value"=>"Contents: Bell Telephone ad -- Bell Telephone ad."}
- date_start
-
1950-12-18
- keydate
-
1950-12-18
- date_end
-
1950-12-18
- date_inclusive_start
-
1950
- date_inclusive_end
-
1950