- unitid
-
{"value"=>"966066", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1905-1960", "type"=>"inclusive", "normal"=>"1905/1960"}
- unittitle
-
{"value"=>"Competing Xerography patents, U. S. A"}
- container
-
{"type"=>"box", "value"=>"45"}
{"type"=>"reel", "value"=>"39"}
{"type"=>"reel", "value"=>"40"}
- date_start
-
1905
- keydate
-
1905
- date_end
-
1960
- date_inclusive_start
-
1905
- date_inclusive_end
-
1960