Fixing a Bilora Bella

I just bought a Bilora Bella from an antique warehouse, but its in rough shape!
Seems to be some kind of spring missing from the shutter mechanism- and the shutter doesn't fire even when I try to do it manually (pressing the little hooky thingy with my finger inside the camera). i really don't know anything about camera repair, so anything would be helpful! Is there anywhere I could get more information on how everything should work etc?

Thanks

http://www.cameramanuals.org/pdf_files/bilora_bella.pdf

Here is the manual , I found a 66 and 3C models at the google , same or not , I dont know the brand name of the shutter also. Tell us what is written for the producer of the shutter ? And if there is a shutter serial number , give it to us also , Someone with a 50s catalogs could help.

Here are the wonderful sites , bottom ones are for idea also.

http://www.daniel.mitchell.name/cameras/index.php
http://rick_oleson.tripod.com/index-55.html
http://www.kyphoto.com/classics/forum/messages/13061/10569.html?1194277522
http://www.kyphoto.com/classics/forum/messages/2/24166.html?1334015922

Welcome to APUG and good luck , send some photos during repair and someone would like to help you.

Umut