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  1. #1
    oldlock's Avatar
    oldlock is offline Retired Member This is oldlock's Country Flag

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    Default Parsons balance lever lock

    Not sure where I got this picture from ? An especially large and fine Parsons balance lever lock.
    Attached Thumbnails Attached Thumbnails Parsons balance lever lock-parsons.jpg  

  2. #2
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    oldlock is offline Retired Member This is oldlock's Country Flag

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    I still don't know where it came from, but the lock is in the Science Museum collection. Here's a picture I look of the same lock when I was there recently.
    Attached Thumbnails Attached Thumbnails Parsons balance lever lock-dsc00723.jpg  

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    Patent is offline Member This is Patent's Country Flag

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    Default Parsons Balance Lever Lock

    Patent Number 6350. Dated December 20th. 1832.

    Image of the brass shield often attached to the lock.
    Parson's patent locks were manufactured by J.Duce .

    Patent.
    Attached Thumbnails Attached Thumbnails Parsons balance lever lock-tn_t.parsons-patentee.-shield.jpg  

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