- unitdate
-
{"value"=>"1890", "type"=>"inclusive", "normal"=>"1890"}
{"value"=>"1894", "type"=>"inclusive", "normal"=>"1894"}
- date_inclusive_start
-
1890
- date_inclusive_end
-
1894
- keydate
-
1890
- unittitle
-
{"value"=>"<span class=\"persname\">Mascart, Eleuthière Élie Nicolas, 1837-1908</span>, (physicist /meteorologist)"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"3 items"}], "supress_display"=>true}
- extent_statement
-
3 items
- unitid
-
{"type"=>"local_mss", "value"=>"956601"}
- date_start
-
1890
- date_end
-
1894