Exodus 17:12

Great(i) 12 But Moses handes were heuye, and therfore they toke a stone and put it vnder hym, and he satt downe there on. And Aaron and Hur stayed vp his handes, the one on the one syde and the other on the other syde. And hys handes remayned stedye vntyll the goynge downe of the sonne.