Improvements in and connected with Photographic Copying Presses
Номер патента: GB190102997A
Опубликовано: 11-05-1901
Автор(ы): Georg Gerlach
Принадлежит: Individual
Опубликовано: 11-05-1901
Автор(ы): Georg Gerlach
Принадлежит: Individual
Реферат: 2997. Gerlach, G. Feb. 12. Printing; copying documents, drawings, and the like.-Relates to an apparatus for printing from a number of negatives on a continuous sheet of sensitized paper. As shown in section in the Figure, the paper a is drawn from a spool b, passes between a pneumatic cushion d and the negatives c, and is wound on to a spool f turned by a handle. To press the paper against the negatives, the pneumatic cushion d is inflated. The negatives are illuminated by electric lamps e enclosed in a suitable receptacle.
Improvements in cassettes with particles or connected with such cassettes
Номер патента: RU2422163C2. Автор: Джон УОТСОН,Найджел Роберт БЭЙТС,Филип Томас ПРАЙС,Стюарт Грэхем УИКС. Владелец: Паудерджект Рисерч Лимитед. Дата публикации: 2011-06-27.