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19th century Ear Trumpet-- Are tubular or funnel-shaped devices which collect sound waves and lead them into the ear. They serve as hearing aids, resulting in a strengthening of the sound energy impact to the eardrum and thus a better hearing for a reduced or decreased hearing individual.
The shoemaker (late 19th century). Jan Matzeliger, born in 1852, immigrated to the US "at age 18 and went to work in a shoe factory in Philadelphia. Shoes then were hand made, a slow tedious process. Jan Matzeliger helped revolutionize the shoe industry by developing a shoe lasting machine that would attach the sole to the shoe in one minute."