c A novel form of railway brake has been invented by Mr. W. Wiseman, of the East Indian Government Railway De- strip is made of very hard laminated copper, slightly pla- winged-wheels of novel construction. partment. In the specification it is stated that sand is placed jtinized to prevent… … is prolonged beyond the trape- in a double seated slide valve, zium, and to this prolongation, similar to the ordinary slide A NEW METALLIC THERMOMETER. at a point previously determined valve fitted within a case in the by calculation, is fixed the sensitive strip of metal. As for steam chest, in…
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