Franklin's electrostatic machine
... that Franklin's electrostatic machine led to the invention of the lightning rod?
... that <b id="mwB_E"><a href="./Franklin's_electrostatic_machine" id="mwB_I" rel="mw:WikiLink" title="Franklin's electrostatic machine">Franklin's electrostatic machine</a></b> <i id="mwB_M">(pictured)</i> led to the invention of the <a href="./Lightning_rod" id="mwB_Q" rel="mw:WikiLink" title="Lightning rod">lightning rod</a>?