styrofoam
yes there is a invention starting with o oil oven
no
Abraham Darby
The latest invention of the 1800's STEEL! The latest invention of the 1800's STEEL!
steamboat
It was invented in the 1500's.
Solar Panels
One example is a switch.
income increase ink industry invention interest insect instrument
invented in the 1970's
I reckon it's during 1790's.-Rimmi
George Bernhard Riemann's invention was The Riemann Hypothosis. (s=a+bi)=0) The Riemann Hypothosis states that s=a and a= 1/2 He died having his philosophy unfinished.