Automatic selecting devices with or without overriding manual control, e.g. with scanning-fingers, with presetting controls operable by push-buttons or with program control by punched tapes

Full Title

Details of addressographs or like series-printing machines (common details of printing machines B41F21/00 - B41F35/00) > Arrangements or devices for selecting, or for facilitating selection of, text or image to be printed > Selecting devices, e.g. cams, windows, positions indicators > Automatic selecting devices with or without overriding manual control, e.g. with scanning-fingers, with presetting controls operable by push-buttons or with program control by punched tapes