12 The overhanging part that remains of the curtains of the tent, the half curtain that remains, shall hang over the back of the tabernacle.
*Minor differences ignored. Grouped by changes, with first version listed as example.
And the (f) remnant that remaineth of the curtains of the tent, the half curtain that remaineth, shall hang over the backside of the tabernacle.
(f) For these curtains were two cubits longer than the curtain of the tabernacle so that they were wider by a cubit of both sides.
And the remnant that remaineth of the curtains of the tent,.... Of the goat hair curtains, which were one more than the linen curtains:
the half curtain that remaineth; for the other half extended to the east end of it, at the entrance of the tabernacle, and hung down and was doubled there, and the other that remained is here disposed of:
shall hang over the backside of the tabernacle; the west end of it, where was the holy of holies; or rather, as Dr. Lightfoot (n) describes it, thus, it was when those curtains (of goats' hair) were laid upon the other over the tabernacle; they were not laid as these brazen loops (clasps it should be) did light just upon the golden ones over the vail, but three quarters of a yard more westward, so that the five curtains that went west did reach to the ground and half a curtain to spare, Exodus 26:12 the other six that lay east reached to the end, covered the pillars whereon that vail hung, and they hung half a curtain's breadth or a yard over the entrance.
(n) Works, vol. 1. p. 719.
This tent-cloth was two cubits longer than the inner one, as each piece was 30 cubits long instead of 28; it was also two cubits broader, as it was composed of 11 pieces, the eleventh only reckoning as two cubits, as it was to be laid double. Consequently there was an excess (העדף that which is over) of two cubits each way; and according to Exodus 26:12 and Exodus 26:13 this was to be disposed of in the following manner: "As for the spreading out of the excess in the tent-cloths, the half of the cloth in excess shall spread out over the back of the dwelling; and the cubit from here and from there in the excess in the length of the tent-cloths (i.e., the cubit over in the length in each of the cloths) shall be spread out on the sides of the dwelling from here and from there to cover it." Now since, according to this, one half of the two cubits of the sixth piece which was laid double was to hang down the back of the tabernacle, there only remained one cubit for the gable of the front. It follows, therefore, that the joining of the two halves with loops and clasps would come a cubit farther back, than the place where the curtain of the holy of holies divided the dwelling. But in consequence of the cloth being a cubit longer in every direction, it nearly reached the ground on all three sides, the thickness of the wooden framework alone preventing it from reaching it altogether.
*More commentary available at chapter level.