- unitid
-
{"value"=>"2142086", "type"=>"local_mss"}
{"value"=>"33433121775237", "type"=>"local_barcode"}
- unitdate
-
{"value"=>"1808 October 12", "type"=>"inclusive", "normal"=>"1808-10-12"}
- unittitle
-
{"value"=>"Robert Fulton at Washington, D.C. to unidentified correspondent"}
- physdesc
-
{"format"=>"simple", "value"=>"1 leaf only, autograph letter with drawing of boilers on verso, figures 1, 2, and 3"}
- container
-
{"type"=>"folder", "value"=>"1"}
- date_start
-
1808-10-12
- keydate
-
1808-10-12
- date_end
-
1808-10-12
- date_inclusive_start
-
1808
- date_inclusive_end
-
1808