Bridgeport ID

I have attached two photos: a closeup view of the actual Serial # (notice that the first digit is double struck) and a view of the serial number location. Any ideas on when the machine was built?
Bridgeport Serial #.jpgBP Serial #.jpg

Bridgeport Serial #.jpg BP Serial #.jpg
 
WOW! You do have a mystery. If the factory doesn't have any answers I am guessing that you'll never really know the answer to this one.
 
I'm not very familiar with manual bridgeports but I do use them once in a while and use the vmcs everyday. I know with the vmcs there were machines built in bridgeport Ct and machines from Bridgeport England. Is it possible this is a British machine? as I said I have limited experience with the manual machines but it may be something to check.
 
Here are two links that support Randy's info about bridgeport serial numbers and determining the age of a mill.

http://bluechipmachineshop.com/bc_blog/how-old-is-my-bridgeport-milling-machine/


http://www.machinebuildne.com/bridgeport.php


The Hardinge/Bridgeport parts manual also states that the serial number is located on the front of the knee.


The serial numbers of Bridgeports that I have used are located centered on the top of the knee.
The number in Redcoat's photo looks like it is off to the left of center and makes me think that it might be a previous owner's asset control or inventory number.
 
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