more specifically for no. 10 ... it's probably the ferrule from a fish gaff 
... see an example of the type here:

http://cgi.ebay.com/Antique-Gaff-Hook-w-wood-handle_W0QQitemZ190094410092QQihZ009QQcategoryZ12QQrdZ1QQssPageNameZWD1VQQcmdZViewItem


----- Original Message ----- 
From: "Doug Ross" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, July 11, 2007 6:33 PM
Subject: 20th c. artifact photos to id


> Folks,
>
> I have a small group of artifacts from my recent fieldwork here in BC that 
> I
> am having difficulty identifying.  They are from sites associated with
> Chinese cannery workers and Japanese fishermen at a c. 1900-1930 salmon
> cannery, although most objects are likely not of Asian origin. It is 
> likely
> that women and children were present at one of the sites, in addition to 
> the
> largely male population.  You may view them at the following link:
>
> http://www.flickr.com/photos/95698270@N00/sets/72157600768005562/detail/
>
> You can view larger images by clicking on each photo, and even larger ones
> by clicking on "All Sizes" above the enlarged version. Brief descriptions
> can be found below each object.
>
> Thanks so much for any help you can provide,
>
> Doug Ross
>