to this invention, formed in any well known manner, with a continuous address Mr. H. L. P. C. Hartmann, care of Paul Brum- Staffordshire Institute of Civil Engineers, took place groove in its periphery, and offset recesses at intervals at the iron foundry of Messrs. J. Cartwright & Sons; mer, Bay… … the use of steam boiler or of the machinery being {REDINGTON’S TOOTHED WHEEL. avoided. re into aligning offsets on the sides of the wheel, as shown in Figs. 1 and 2. A series of segmental blocks are in- Sending a Soprano’s Voice by Express. serted in the groove, the blocks carrying on their outer…
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