I have posted Version 13 of the MIS VM curves for the 1280 running
under Windows in the Files section of the homepage.
Files > Ink data > MIS Variable Mix > 1280 PC MIS VM > PC 1280
Version 13
Also posted is Paul Roark's new and improved version of the 21-Step
Wedge in:
Files > Ink data > MIS Variable Mix
Martin Wesley