I attached the files, created120 means created with Lyx 120, created 132 means the file was created with lyx 132. It was exactly the lyx file I sent already. Using lyx 132 I created two files: One using the "pdf" export option, the other one using dvipdfm
there are several ways to get a pdf file: - pdflatex -> no page numbers - ps2pdf -> no page numbers - dvipdfm -> page numbers
the last two are conversion programs and they are different in passing pagesettings to the pdf file.
Choose for the bottom margin for example 15mm, then you'll get pagenumbers for all of them.
Herbert