n until the tion as the springs get stiffer from compression, thus the paper. The handle of the common brush screws enabling them to rise the required distance without weather moderates, thereby destroying the only vir- through the cap so as to lengthen or shorten it; but. increase of power. The… … are more or less objectionable, on account of the Camerer, Reading Pa. springs becoming stiffer as the valve rises. Various plans have been adopted to overcome the defect by reg- NEW FORM FOR COINS. ulating the strength of the springs, thereby depending on the vigilance ofthe engineer to prevent…
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