Was wasting time and ran across this on modifying a 37's type slugs. Wonder if there were keycaps to match ? http://pubs.acs.org/doi/abs/10.1021/c160049a003 http://news.google.com/newspapers?nid=849&dat=19681225&id=O6wnAAAAIBAJ&sjid=clQDAAAAIBAJ&pg=3320,4596545 Anyone a Chem Society member ? -pete