To me they look like weights used to calibrated weight cells or scales. Best Regards Luis On 30 May 2017 3:21 a.m., "Neil" wrote: > Assorted paperweights. ;) > > > > On 5/29/2017 9:47 PM, RussellMc wrote: > > Theories so far are lapping disks or spinnerets. > > > > > > > > http://www.trademe.co.nz/business-farming-industry/ > industrial/other/auction-1336533507.htm > > > > > > Russell > > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .