- unitid
-
{"value"=>"1114413", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1846 August 18", "type"=>"inclusive", "normal"=>"1846-08-18"}
- unittitle
-
{"value"=>"Barnum, at Brighton [Eng.], to Moses Kimball, at Boston"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"3 pages", "unit"=>"pages"}]}
- container
-
{"type"=>"box", "value"=>"1"}
- date_start
-
1846-08-18
- keydate
-
1846-08-18
- date_end
-
1846-08-18
- date_inclusive_start
-
1846
- date_inclusive_end
-
1846
- extent_statement
-
3 pages