- unitid
-
{"value"=>"3667657", "type"=>"local_mss"}
- unitdate
-
{"value"=>"August 11, 1942", "type"=>"inclusive", "normal"=>"1942-08-11"}
- unittitle
-
{"value"=>"Secret Communications System / Hedy Kiesler Markey and George Antheil"}
- physdesc
-
{"format"=>"simple", "value"=>"5 pages [2] leaves ; 29 cm. ; illustrated"}
- container
-
{"type"=>"box", "value"=>"12"}
{"type"=>"folder", "value"=>"98"}
- note
-
{"value"=>"\"Patented Aug. 11, 1942 ; United States Patent Office 2,292,387 ; application June 10, 1941, Serial no. 397,412 ; 6 claims (Cl. 250-02).\""}
- date_start
-
1942-08-11
- keydate
-
1942-08-11
- date_end
-
1942-08-11
- date_inclusive_start
-
1942
- date_inclusive_end
-
1942