- unitid
-
{"value"=>"113380", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1950", "type"=>"inclusive", "normal"=>"1950"}
{"value"=>"1954", "type"=>"inclusive", "normal"=>"1954"}
- unittitle
-
{"value"=>"Industrial Bulletin"}
- container
-
{"type"=>"box", "value"=>"86"}
{"type"=>"folder", "value"=>"6"}
- date_start
-
1950
- keydate
-
1950
- date_end
-
1954
- date_inclusive_start
-
1950
- date_inclusive_end
-
1954