ATM/Holley verses Carter 625 AFB
Newbomb Turk said
I agree. I’m pretty sure (abut not 100%) it’s not a FM piece.
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Check the calibration and the IFR's should be in the area of 28-31 and the emulsion package should be rows of very small holes evenly spaced all the way down the tube.
Also FM went to a die cast design where the Carter was cast
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