John Peirce
... that when the early telephone was being developed, John Peirce invented the mouthpiece that was used for the hand-held version?
... that when the early telephone was being developed, <b id="mwAzk"><a class="new" data-mw-i18n='{"title":{"lang":"x-page","key":"red-link-title","params":["John Peirce"]}}' href="./John_Peirce?action=edit&amp;redlink=1" id="mwAzo" rel="mw:WikiLink" title="John Peirce" typeof="mw:LocalizedAttrs">John Peirce</a></b> <i id="mwAzs">(pictured)</i> invented the mouthpiece that was used for the hand-held version?