This item has been moved to https://cdm.llu.edu/digital/collection/p17224coll14/id/60/rec/1
Open ring devicemade from polypropylene without barium sulphate, with nodules on both ends. 0.30mm dia. copper wire wrapped around device covering 200-300mm(squared) surface area. Nylon or polyethylene threads off ends. This was an experimental design studied between 1969 and 1975. The Copper Omega was made in both a nullipaous and multiparous size.