This issue of Ebony from 1972 has lots of amazing pictures of their new headquarters in Chicago.
While not Pentax-specific, there are pictures of their photo studio and lab on pages 94 & 95. https://books.google.com/books?id=rd0DAAAAMBAJ&lpg=PA84&dq=beanstalks&as_pt=MAGAZINES&pg=PA133#v=onepage&q=beanstalks&f=false -- Rich -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

