»■ of the pattern can be turned out of them, and long enough inches long. In this case, the spark itself answers for the State Ijeglslatlon Concerning Patents. not only to reach from P to P, in Fig. 149, but also to allow slit in the ordinary method of studying spectra ; and inas- To the Editor of… … prisonment, for any person to take, sell, or transfer a nego- Physical Laboratory, Tuft's College. otherwise fixed together. These two pieces we plane to an tiable instrument not having the words " given for a patent equal thickness, and then peg them to retain them in a fixed right," as before…
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