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Johnphoto
Tinkerer
Username: Johnphoto

Post Number: 13
Registered: 03-2008

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Posted on Friday, June 13, 2008 - 10:57 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

Ancient (c.1900) Goerz Doppel Anastigmat Serie III. Diaphragm ring turnable but too stiff to use in the field. Blades assumed to be paper or vulcanized rubber and would be ruined by flood cleaning with Ronsonol. Is there a way to loosen up without disassembly?
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Rick_oleson
Tinkerer
Username: Rick_oleson

Post Number: 598
Registered: 07-2006

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Posted on Saturday, June 14, 2008 - 11:35 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)
Personally, I would not try anything without disassembly. This looks like it would clean up very well if you disassemble it and clean everything carefully. The big spanner ring in your right hand photo should release the plate that actuates the blades.

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