ELMO SUPER 8 VINTAGE MOVIE CAMERA REMOTE POWER UNIT C-300 C-200 w/box but incomp

Description

ELMO SUPER 8 VINTAGE MOVIE CAMERA REMOTE POWER UNIT C-300 C-200
w/box but incomplete includes cool manual
See photos. Box appears condensation stained from being found in basement of estate cleanout
And according to this link, this box is missing a necessary cable cord
http://www.mondofoto.com/encyclopedia/encyclopedia-73.html
oh well, rats, but maybe this box and the manual will be of collectable interest
shipped first class