- unitid
-
{"value"=>"558376", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1796", "type"=>"inclusive", "normal"=>"1796"}
- unittitle
-
{"value"=>"A Treatise on the Improvement of Canal Navigation"}
- physdesc
-
{"format"=>"simple", "value"=>"144 p., [17] p. of plates : ill."}
- container
-
{"type"=>"volume", "value"=>"2"}
- note
-
{"value"=>"Imprint: London : I. and J. Taylor at the Architectural Library."}
- date_start
-
1796
- keydate
-
1796
- date_end
-
1796
- date_inclusive_start
-
1796
- date_inclusive_end
-
1796