- unitid
-
{"value"=>"1018780", "type"=>"local_mss"}
- unitdate
-
{"value"=>"circa 1891-1894", "type"=>"inclusive", "certainty"=>"approximate", "normal"=>"1891/1894"}
- date_inclusive_start
-
1891
- date_inclusive_end
-
1894
- keydate
-
1891
- date_start
-
1891
- date_end
-
1894
- unittitle
-
{"value"=>"Clippings, pamphlets, flyers, diagrams, test reports, manufacturer's specifications regarding municipal power and lighting systems, railway electrification"}
- container
-
{"type"=>"box", "value"=>"124"}