Improvements in and relating to tobacco pipes
Реферат: 243,154. Berry, H. R., and Newman, W. G. Nov. 12, 1924. Tobacco pipes. - In tobacco pipes in which the bowl is made in two parts screwed together, the lower part b is formed with an annular groove d opening into a central well i and communicating with the stem bore e. A perforated metal plate or wire gauze is held between the two parts of the bowl.
Improvements in or connected with Tobacco Pipes.
Номер патента: GB191022620A. Автор: Henry Alfred Lytton. Владелец: Individual. Дата публикации: 1911-05-18.