11-26-2012, 03:14 PM
I think i recognize the center one we used them in Simms engine lab on the dyno test. ours were made, or marketed, by Hasler, but the same even down to the case shape. One button to reset and the other to start the number count.when it stops you have the RPM spot on. Happy Days all noise-- heat--. asbestos lagging--carbon tetrachloride-- ETC,
Regards Brian. .
Regards Brian. .
Brian, proud to be a member of MetalworkingFun since Sep 2012.
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