1852 - Studebaker Brothers wagon company, precursor of the automobile manufacturer, is established
1857 - The National Deaf Mute College (later renamed Gallaudet University) is established in Washington, DC becoming the first school for the advanced education of the deaf.
... towards the externally applied force will cause one end of the axis to push against the upper rim of the groove, while the other end of the axis pushes against the lower rim ...