- unitid
-
{"value"=>"1114417", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1847 May 10", "type"=>"inclusive", "normal"=>"1847-05-10"}
- unittitle
-
{"value"=>"Barnum, at Philadelphia, to Moses Kimball, at Boston"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 page", "unit"=>"page"}]}
- container
-
{"type"=>"box", "value"=>"1"}
- date_start
-
1847-05-10
- keydate
-
1847-05-10
- date_end
-
1847-05-10
- date_inclusive_start
-
1847
- date_inclusive_end
-
1847
- extent_statement
-
1 page