"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
|4552474||Backspace device in typewriter|
A backspace device in a typewriter comprising: an interposer operable by the operation of a key lever; a cycle bail operable by the interposer; a cycle clutch for intermittently transmitting a driving force from a driving source to a main shaft so that th...
|4059184||Single print element selection apparatus with multiple selection inhibiting means|
Disclosed is a selection apparatus for a printer of the single element type wherein the single print element is carried by a print carrier. The carrier includes at least one cylinder having a plurality of axially spaced apart camming surfaces thereon, the...