Soft copper wire: 20 gauge (wire diameter 0.8mm): 12cm (about 5 inch) 28 gauge (wire diameter 0.3mm): 60 cm (24 inch) Abacus ...
A note on the making of brass wire bangles by a Shangaan artisan on the gold mines near Springs, South Africa. Abstract, page 51. https://siris-libraries.si.edu ...