Question

question 1 which of these inventions did not materialize in the 19th century. air brakes for trains electric light bulb with a reusable filament cigarette rolling machine television

Explanation:

Air brakes for trains (1869), electric light bulb with reusable filament (late 19th - Edison), and cigarette rolling machine were invented in the 19th century. Television was invented in the 20th century (1920s - 1930s), so it didn't materialize in the 19th century.

Answer:

O television