Other contributors have said "What are major inventions in 1870?" is the same question as "What are major inventions in the 1870?" If you believe that these are not asking the same thing and should be answered differently, click here
1871 Alexander graham bell made the telephone. 1876 daimler made the gasoline carburettor. 1877 thomas alva Edison made the phonogragh. 1877 emile berliner made the microphone. 1878 William crookes made thecathoderay tube.
The airplane was invented by the Wright brothers. The lie detector was created.The Air conditioner was invented.Crayons were founded.Albert Einstien created E=mc2.The modern escalator was invented.