i doknow
because
iron plow
Three men were involved in the invention of the iron lung. Their names were John Emerson, Philip Drinker, and Louis Shaw, Jr.
The first modern iron lung was invented by Harvard medical researchers Philip Drinker and Luis Agassiz Shaw in 1927.
A negative pressure ventilator, often referred to as an iron lung can be defined as a form of medical ventilator medical that enables a person to breathe when normal muscle control has been lost or the work of breathing exceeds the person's ability. The iron lung was replaced by respirators and nebulizers.
My Iron Lung was created in 1993.
sarah boone was the first african american to invent , the iron oar
Spears They did not invent iron they may have found it but the hittikes were the first people to use iron tools and weapons
because
cousteau invented the aqua lung in 1943
Jacques cousteau
Iron is a natural mineral, It cant be invented
the year it took Sarah Boone to invent the iron board was 1694
1928
iron plow
Three men were involved in the invention of the iron lung. Their names were John Emerson, Philip Drinker, and Louis Shaw, Jr.
Jacques Cousteau