Hey folks, I need help with my "new" egg scale.  I just bought a very rusty scale off of ebay.  All of the writing on the scale is gone.  I'm going to clean it up and paint it with a nice rendition of Liz (BR in my avatar), plus add new measurement markings on it. 
Can someone who has this scale tell me how I should adjust it? I can't see the writing about how to balance it on the photo below. (Use adjustable screw for -__what?)
Also, my scale does not have the little thing that looks like a cotter pin, which is the "leveling device"? How is that used? Do I need it? It seems not to be connected to the rest of the scale, from what I have seen of photos on ebay.
Thanks for any help!
Edited to add: I am not selling my eggs, so I don't care if it is super-accurate. I am just using it for my egg-journal.
The scale is supposed to look like this:
		
		
	
	
		
	
	
		
			
		
		
	
				
			Can someone who has this scale tell me how I should adjust it? I can't see the writing about how to balance it on the photo below. (Use adjustable screw for -__what?)
Also, my scale does not have the little thing that looks like a cotter pin, which is the "leveling device"? How is that used? Do I need it? It seems not to be connected to the rest of the scale, from what I have seen of photos on ebay.
Thanks for any help!
Edited to add: I am not selling my eggs, so I don't care if it is super-accurate. I am just using it for my egg-journal.
The scale is supposed to look like this:
	
			
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