Journal . eyor e^. In order to secure intimate and continued contactof the solid and the gas, the interior of the cylinder A isprovided with helical blades H, and also longitudinal ribs I,forming buckets on the onter cylinder A, as well as otherribs on the exterior of the inner cylinder B shown at J. Thematerial lifted by the shelves I is carried to the upper partof the apparatus during a revolution, and then falls to Ihebottom ou to the shelves J, by which it is, on the other side,agaiu lifted, and falls back on to other of the shelves I andso on. The helical blades H increase the length of t
Journal . eyor e^. In order to secure intimate and continued contactof the solid and the gas, the interior of the cylinder A isprovided with helical blades H, and also longitudinal ribs I,forming buckets on the onter cylinder A, as well as otherribs on the exterior of the inner cylinder B shown at J. Thematerial lifted by the shelves I is carried to the upper partof the apparatus during a revolution, and then falls to Ihebottom ou to the shelves J, by which it is, on the other side,agaiu lifted, and falls back on to other of the shelves I andso on. The helical blades H increase the length of the path • Auy of these specifications may be obtained by post, byremitting the cost price, plus postage, to Sir. H. Eeader of the Patent Office, Southampton Buildings, ChanceryLane, London, The amount of postage may be calculated asfollows:— If the price does not exceed 8<i id. Above Sd., and not exceeding Is. Gd id. ., Is. id., .. .. 2s. id lid. „ 2s. id., „ „ is. id of the .solid through the cylinder. The patentee claims thecombination of the various parts forming the whole for thepurpose substantially as described.—C. C. H. Improvements in Treatiny Asbestos to obtain Filter Matsand other Fabrics and Sheets therefrom. C. Jackson,Nottingham. Eng. Pat. 12,179, September 8, 1887. 6d. Finely divided asbestos fibre is projected or blown into , together with a spray of varnish, , copalvarnish or linseed oil. The fibre thus coated subsides onto a travelling belt or apron at the lower part of the sheet so formed is lighth pressed, removed, and stovedat a temperature of 300° F, A medium of closer texturecan be made by passing the open sheet through heatedrollers, or by one or more coatings of varnish and subse-quent pressing and stoving.—C. C. H. 834 THE JOURNAL OF THE SOCIETY OF CHEMICAL INDUSTRY. [Dee. 31,1S88. Improvements in Centrifugal Apparatus for separatingLiquids of different Vensitij or Specific
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectchemist, bookyear1882
