e powder. LESS BICYCLES. to turn with the shaft, in the manner just described. A back-pedaling brake which presents many novel The discharge nozzles are tunnel-shaped, and are so mounted that a space is left between their outer sur- When it is desired to coast, the pedals are held station- features… … hopper-bottomw (Fig. 3) has triangular openings lead- ing to the powder-chamber and controlled by triangu- A BACK-PEDALING BRAKE FOR CHAIN AND CHAIN- AN INSECT-POWDER DUSTER FOR PLANTS. lar valve-plates, which are connected with a rod ex- LESS BICYCLES. tending outwardly through an opening in a…
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