Technical Dixson gauges how old are they?

I dug these Dixson gauges out of a box and I have no idea if they are old or not. I’ve looked a bit on the internet but I haven’t found anything. Anyone have an idea? I think I’m going to use them in my 55.

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'60s - early '70s

 

That sounds about right. There were Dixco and evidently Dixon gauges that looked like the Sun gauges from the same time frame.
I've got a rather smallish Dixco tach that I had in two or three rigs over the years stashed away in a box somewhere. I think I put it in the 48 when I first put the 283 in it. I didn't have a working speedometer but 3000 rpm was 80 mph.

 

Thanks! And it should have said Dixson, I typed it wrong the first time.


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Bought some in 68-69. Not shure how long they had been on the market before

 

I still have that oil pressure gauge. I bought it new in 1965.

 

Mid 60's, I remember the membership clubs in southern Cal carrying the Dixco gauges...