Tablet weaving loom, based on one found in the oseberg ship burial.

Side view:
The original was about 6 feet long and 3 high - mine is somewhat smaller - about 2 1/2' long by1 foot high.

Top view -- the warp is a continuous loop around the 2 upright posts

Closeup of the weaving

Loom taken apart - mortice and tennon joints

Drawing of the original - thanks to Robert Schuster who has _lots_ of good information here: