...material, or supply shall be deemed to be of domestic origin only if such article, material, or supply has been manufactured in the United States substantially...materials, or supplies mined, produced, or manufactured in the United States. SEC. 4. In carrying out the provisions of this Act no department or agency of...

...material, or supply shall be deemed to be of domestic origin only if such article, material, or supply has been manufactured in the United States substantially...materials, or supplies mined, produced, or manufactured in the United States. SEC. 4. In carrying out the provisions of this Act no department or agency •of...

...supplies as »ve been manufactured in the United States substantially all from articles, laterials, or supplies mined, produced, or manufactured, as the case may be, in le United States; provided, however, that if the Administrator shall find that i respect to some particular...

...in the performance of the work the contractor, subcontractors, materialmen, or suppliers, shall use only such unmanufactured articles, materials, and...produced, or manufactured, as the case may be, in the United States except as provided in section 2: Provided, however, That if the head of the department...

...have been mined or produced in the United States, and only such manufactured articles, materials, ami supplies as have been manufactured in the United States...manufactured, as the case may be, in the United States shall he delivered pursuant to this contract, except as noted in the sjjeciflcations and/or other papers...

...into by the Contractors without the specific approval in writing of the Contracting Officer. 29 tured articles, materials, and supplies as have been manufactured...produced, or manufactured, as the case may be, in the United States. The foregoing provision shall not apply to such articles, materials, or supplies of...

...only such manufactured articles, materials, and supplies as have been manufactured in the 1,'nited States substantially all from articles, materials,...as the case may be, in the United States shall be delivered pursuant to this contract, except as noted in the specifications and/or other papers hereto...

...produced in the United States, and only such manufactured articles, materials, and supplies as have lieen manufactured in the United States substantially all...materials, or supplies mined, produced, or manufactured, as tbe case may be, in the; United States, shall be acquired for public use. This .section shall not apply...

...be inconsistent with the public interest, or the cost to be unreasonable, only such unmanfuactured articles, materials, and supplies as have been mined...as the case may be, in the United States shall be delivered pursuant to this contract, except as noted in the specifications and/or other papers hereto...

...writing of the Contracting Officer. Contractors, subcontractors, materialmen or suppliers, shall use only such unmanufactured articles, materials, and...produced, or manufactured, as the case may be, in the United States. The foregoing provision shall not apply to such articles, materials, or supplies of...