'Fewer babies were crying after 1849, when Walter Hunt invented this pin for diapers'
a safety pin
19th CENTURY INVENTIONS: Fewer babies were crying after 1849, when Walter Hunt invented this pin for diapers
Fewer babies were crying after 1849, when Walter Hunt invented this pin for diapers
Fewer babies were crying after 1849, when Walter Hunt invented this pin for diapers
19th CENTURY INVENTIONS
a safety pin
19th CENTURY INVENTIONS