. The Civil engineer and architect's journal, scientific and railway gazette. Architecture; Civil engineering; Science. Kg. 2. These improvements consist in combining iron spokes with wood felloes and wood tyre in the manufacture of wheels for caiTiages, which spokes may be of any required form ; in the accompanying figure we have given a view of one description of spoke referred to in the specification, there being several forms and also several modes of fastening the same within the felloe and nave of the wheel. Fig. I shows a view of a spoke similar in form to those now in use, the lower en
. The Civil engineer and architect's journal, scientific and railway gazette. Architecture; Civil engineering; Science. Kg. 2. These improvements consist in combining iron spokes with wood felloes and wood tyre in the manufacture of wheels for caiTiages, which spokes may be of any required form ; in the accompanying figure we have given a view of one description of spoke referred to in the specification, there being several forms and also several modes of fastening the same within the felloe and nave of the wheel. Fig. I shows a view of a spoke similar in form to those now in use, the lower end being rounded and burred up with a diamond tool, so that when driven into the nave of the wheel such projections may assist in retain- ing it therein, the opposite end of the spoke being fastened to the felloe by means of a nut and screw. Fig. 2 shows a transverse section of a wheel and two spokes, which in this case are made hollow, or tubular, and then filled with wood, the ends of the tubes having an opening or slit on each side, the object of such opening being that when fastening the end of the spoke within the felloe or nave, an iron wedge being first inserted into the opening, the spoke on being driven into the aperture enlarges the end thereof, and retains it firmly within. The inventor claims the means of manufacturing wheels for carriages whereby iron or other metal spokes are combined with wood felloes and wood naves as described. BA1LV»AT KETS. Willi am Henht Barlow, of Leicester, civil engineer, for " Improvements in the construction of keys, wedges, or fastenings, for engineering ;— Granted March 6; Enrolled September 6, 1844. The nature of this invention consists in the application of hollow metal keys for fastening railway bars to the chairs, and also the chairs to the blocks or sleepers, in place of solid keys of iron v,i wood as heretofore em- ployed, and which hollow metal keys are applicable to other engineering pur- poses. The mode o
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