- unitdate
-
{"value"=>"1950-1952", "type"=>"inclusive", "normal"=>"1950/1952"}
{"value"=>"1960", "type"=>"inclusive", "normal"=>"1960"}
- date_inclusive_start
-
1950
- date_inclusive_end
-
1960
- unittitle
-
{"value"=>"Newcomen Society"}
- container
-
{"type"=>"box", "value"=>"217"}
{"type"=>"folder", "value"=>"14-17"}
- unitid
-
{"type"=>"local_mss", "value"=>"391142"}
- date_start
-
1950
- date_end
-
1960
- keydate
-
1950