In reply to William Beaty's message of Sun, 22 Aug 2021 11:43:24 -0700 (PDT): Hi, [snip] >http://dla.library.upenn.edu/dla/pacscl/detail.html?id=PACSCL_SCIHIST_2015003USpaphchf > >Rats, it's not online, and is all the way over on the east coast (Philadelphia)
...you might try an inter-library loan through you local university library? Regards, Robin van Spaandonk <mixent...@aussiebroadband.com.au>