Improvement ill Gombs, -This invention con sists in the application to comb.> of a metallic D:J.Ck, graduated as a ruler, and so applying it to the comb or comb teeth that the same may be removed on being broken or damaged, and a new comb or set of teeth easily and quickly inserted in place thereof. We have seen a neat little pocket or moust:J.Che comb m3de according to this in ,ention. The cJmb part shuts into a casl', and when it is o;.>ened the back 01 the case and of the comb constitute the

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... ruler, which is graduated as minutely as could be desired ; it occupies lIO more room than an ordinary comb for the same purpose, amI, the advantage of always having a ruler in one's pocket is apparent. Its appli cation to long combs is also apparent, for one usu aUy kn'lws where to find his comb and brush, and this invention enables him to find in the same place a rule intended for both ruling and measuring, thus a\'oiding ofttimes considerahle search. The comb or teeth being reUJovaule enables the hack or ruler part to be used over amI over again, and it is contended that combs of this character will be sold as cheaply as or(linary uOlle comb�. This invention is due to Dr. G. F. J. CoHlUrn, of Newark, N. J. One Ilorse Mowers Wanted. A correspondent of an agricultural paper dis courses upon the di�advantages which fa rmers labor under In not having mowing machines whi �h run with small power. IIG SUYS :-"Will you or some of your mowing machine cor respondents, tell me why there are no real one-horse mowers made amI in the market ? I am aware that there are machines called one-horse mowers, and I have known several being bou,ght and tried with one horse, but invariauly condemned becausp, requiring more than the power o( one horse to opsrate it.