SIXTY—THIRD CONGRESS. Sess. IH. C1-1s. 94-96. 1915. 959 Ofiice a written description of the same, and of the manner and process of making, constructing, compounding, and using it, in such full, clear, concise, and exact terms as to enab e any person skilled in the art or sc1ence to which it appertains, or with which it is most nearly connected, to make, construct, compound, and use the same; and in case of a machine, he shall explain the principle thereof, and the best mode in_which he has contemplated appliying that principle, so as to d1st1ngu1sh_1t_from other inventions; an he shall particularly point out and distmctly claim the part improvement, or combination which he claims as his invention or discovery. The specification and w‘*¤°“ °m’°*•°· claim shall be signed by the invent0r." Sec. 2. That section forty-eight hundred and eighty-nine of the §°g°°j°c°’°_g;*¢¤· Revised Statutes of the United States be, and the same is hereby, wxétesi not reamended by striking out the words " and attested by two witnessos," °"i'°°‘ so that the section so amended will read as follows: "Sec. 4889. When the nature of the case admits of drawings, the uk,D{.§'*”¤·w¤°¤*°¤· applicant shall furmsh one copg signed by the inventor or his attor- 11. é..¤e¤.4ss¤, pins, ney m fact, which shall be fil in tho Patent OfHco; and a copy of “"‘v?§‘§,°.‘ig gm[ttgd_ the drawing to be furnished by the Patent Omoo, shall be attached to the patent as a part of the speciEcation." Approved, March 3, 1915. (IHA?. 95.-An Act To provide for the establishment and maintenance of Marche 1915. mining experiment and mine safety stations for making investigations and dissemi- lH·R·l58°°-l nating infomation among employees in mining, quarrying, metallurgical, and other [mam, N¤,gg;_l mineral industria, and for other purposes. Be it enacted by the Senate and Houeeieol/'lrllegesentativee of the United Suites qt America in Congress essentb , t the Secretary of the ograpaglntme. Interior is hereby authorized and directed to establish and maintain mt me NESLL in the several iinqiartant mining regions of the United States and the ¤°¤"°"°°°°• °** Territory of Alas , as Congress may atplprolpriate for the necessary emplo ees and other expenses, under o ureau of Mines and in accordlance with the provisions of the Act establishing said bureau, ten mining experiment stations and seven mine safety stations, movable or stationary, in addition to those already established, the rovince and duty of which shall be to make investigations and °"l°°‘·°'*°· disseminate information with a view to improving conditions in the mining, quarrying, metallurgical, and othor mineral mdustries, safeguarding life among employees, preventing unnecessary waste of resources, and otherwise contributing to the advancement of these industries: Promkled, That not more than three mming experiment _ff,‘g,",,“f;u,,,,,_ stations and mine safety stations hereinabove authorized shall be eoltabgished in any one fiscal year rmder the appropriations made t ore or. Sec. 2. That the Secretary of the Interior is hereby authorized to .¤·;°°°¥"*“°°°"°“"‘• accept lands, buildings, or other contributions from the several States offering to cooperate in carrying out the purposes of this Act. Approved, March 3, 1915. CHAP. 96.—An Act Provi ’ v for the a intment of an additional district ¥¤'°h 3-19%- judge for the southern district ogtllig State of Be it enactedbyt}wSe1zateand House oflglegreseratativeeof the United States of America in Congress assembled, at the President of the ,u§,§,°’,§,§”,;.§g’;f‘h°'“l“‘ United States shall appoint an additional district Ridge for the A<;<1i¤i¤¤¤l i¤<1z¤¤¤· southern district of the State of Georgia, biysand wit e consent vat ke, p_ Um, of the Senate, who shall reside in the said trict and shall possess *·“j,°j_§°%_ M the same qualifications and have the same power and jurisdiction ’
