a paper-saving typeface
... that Philip Rusher patented a paper-saving typeface with no descenders in 1802, but only a few books ever used it?
... that Philip Rusher patented <b id="mwAko"><a href="./Rusher's_Patent_Types" id="mwAks" rel="mw:WikiLink" title="Rusher's Patent Types">a paper-saving typeface</a></b> with no <a href="./Descender" id="mwAkw" rel="mw:WikiLink" title="Descender">descenders</a> in 1802, but only a few books ever used it?