Improvements in or relating to Flash Lights for Photographic purposes.
Номер патента: GB190524875A
Опубликовано: 07-06-1906
Автор(ы): Gottlieb Krebs
Принадлежит: Individual
Опубликовано: 07-06-1906
Автор(ы): Gottlieb Krebs
Принадлежит: Individual
Реферат: 24,875. Krebs, G. Nov. 30. Flash lamps.-To obtain a true photographic impression of the shades of the various colours of an object, the flash-light powders are made of a mixture, in proportion to their effects, of the powders described in Specification No. 27,268, A.D. 1904; or these separate powders are compressed to form composite or multiple cartridges.
Improvements in crawler device or relating to crawler device
Номер патента: RU2708121C1. Автор: Стюарт КЕЛЛИ. Владелец: Кларк Трэкс Лимитед. Дата публикации: 2019-12-04.