Shawn,humble apologies as I have found a photo which shows 2 JPT gauges; if you try `www.futurshox.net` and search there;can also find it on `google`.
Can't remember seeing 2 gauges and I flew the 1 and 3 at BD,Bed ,and F`boro....probably didn't trust you Students,but then after the cartridge and AvPin start....!!