The Monthly Magazine, Том 41Sherwood, Gilbert and Piper, 1816 |
Результаты поиска по книге
Результаты 1 – 3 из 80
Стр. 34
... light in most coal - pits , to the lowest possible limit . Accordingly , in many pits , only a few of the most frequented gates , or pas- sages , near to the working shaft , have any fixed lamps or constant light ; the boys , called ...
... light in most coal - pits , to the lowest possible limit . Accordingly , in many pits , only a few of the most frequented gates , or pas- sages , near to the working shaft , have any fixed lamps or constant light ; the boys , called ...
Стр. 47
Proceedings of Public Societies . I have occasionally availed myself of the light of concave. 1816. ] A very material inconvenience is that mirrors , which must be large in order to grasp much light , must also be of a great focal length ...
Proceedings of Public Societies . I have occasionally availed myself of the light of concave. 1816. ] A very material inconvenience is that mirrors , which must be large in order to grasp much light , must also be of a great focal length ...
Стр. 151
... light is much increased by hanging within , from the top of the cylinder , a small cage of platina or iron wire ; this becomes ignited by the flame , and gives a steady red light in the midst of it ; and he has never had an explosion in ...
... light is much increased by hanging within , from the top of the cylinder , a small cage of platina or iron wire ; this becomes ignited by the flame , and gives a steady red light in the midst of it ; and he has never had an explosion in ...
Другие издания - Просмотреть все
Часто встречающиеся слова и выражения
ancient appears Birmingham Bristol Britain British cause Charles church coal common Derbyshire Died disease ditto Duke duty Editor effect England English esq.-At expence feet fire-damp France Franco Sacchetti freet French friends George Henry HEREFORDSHIRE History honour India interest James John Joseph King Kingston upon Hull labour lamp Lancashire land late letter light literary Liverpool London Lord Married means ment merchant miles Miss Ann Miss Elizabeth Miss Frances Miss Jane Miss Mary Miss Sarah MONTHLY MAG Monthly Magazine nation nature neral North Shields Northamptonshire observed original Paris Parliament peace persons Phidias present Prince principles produce published quantity racter respected Richard Robert Royal shew Shropshire Society spirit Staffordshire street tained taxes Thomas tion town treet ture vessel vols volume whole widow wife William Worcestershire