'It's not shocking that in 1928, Philip Labre added a third prong, for grounding, to this'
an electrical plug
INVENTIONS FOR THE HOME: Its not shocking that in 1928, Philip Labre added a third prong, for grounding, to this
It's not shocking that in 1928, Philip Labre added a third prong, for grounding, to this
It's not shocking that in 1928, Philip Labre added a third prong, for grounding, to this
INVENTIONS FOR THE HOME
an electrical plug
INVENTIONS FOR THE HOME