Explosives . t Waltham Abbey by Nathan and Thom- - displacement process since August 1905. The installation consists of a number <»f units of four pans worked together. The pans are of earthenware and circular. 3 feet •» inches in diameter, and 1<» inch- t the side of the pan ; the bottom has a fall <»f 2 indie- to the outlet, which is J-inch in diaraThey are supported on earthenware pedestals about 1 foot 10 inches abovethe floor level. The four pans are connected together by lead pipes, and theseare again connected to the nitrating acid supply pipe, t the strong and weakwaste acid p
Explosives . t Waltham Abbey by Nathan and Thom- - displacement process since August 1905. The installation consists of a number <»f units of four pans worked together. The pans are of earthenware and circular. 3 feet •» inches in diameter, and 1<» inch- t the side of the pan ; the bottom has a fall <»f 2 indie- to the outlet, which is J-inch in diaraThey are supported on earthenware pedestals about 1 foot 10 inches abovethe floor level. The four pans are connected together by lead pipes, and theseare again connected to the nitrating acid supply pipe, t the strong and weakwaste acid pipes, and to a waste water pipe, through a Lr;niLrc-b.\. where the 1 Pans of acid-resisting iron are also being tried. 1916, MANUFACTURE OF NITROCELLULOSE 175 rate of flow is determined whilst the waste acids are being run off. Gravitiesof the acids are also taken in this box. The process proceeds as follows : A small perforated plate is placed over the outlet of each pan, and four. Fig. 33. A Unit of Four Pans (from Arms and Explosives). perforated segment plates making a complete disc about 1 inch less than theinside diameter of the pan, are placed on the bottom. Aluminium fumehoods, which are connected to an exhaust fan, having been placed on the fourpans, the stone-ware cock on the acid sirpply pipe is opened, and the acid
Size: 1744px × 1433px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookidexp, booksubjectexplosives
