19.  Materials of all kinds for the construction of wharves.

  20.  Apparatus for distilling liquors.

  21.  Wood of all kinds for building, in trunks or pieces, beams,
      rafters, planks, boards, shingles, or flooring.

  22.  Wooden staves, heads, and hoops, and barrels and boxes for packing,
      mounted or in pieces.

  23.  Houses of wood or iron, complete or in parts.

  24.  Wagons, carts, and carriages of all kinds.

  25.  Barrels, casks, and tanks of iron for water.

  26.  Tubes of iron and all other accessories necessary for water supply.

  27.  Wire, barbed, and staples for fences.

  28.  Plates of iron for building purposes.

  29.  Mineral ores.

  30.  Kettles of iron for making salt.

  31.  Kettles of iron for making sugar.

  32.  Molds for making sugar.

  33.  Guys for mining purposes.

  34.  Furnaces and instruments for assaying metals.

  35.  Scientific instruments.

  36.  Models of machinery and buildings.

  37.  Boats, lighters, tackle, anchors, chains, girtlines, sails, and all
      other articles for vessels, to be used in the ports, lakes, and
      rivers of the Republic.

  38.  Printing materials, including presses, type, ink, and all other
      accessories.

  39.  Printed books, pamphlets, and newspapers, bound or unbound, maps,
      photographs, printed music, and paper for music.

  40.  Paper for printing newspapers.

  41.  Quicksilver.

  42.  Loadstones.

  43.  Hops.

  44.  Sulphate of quinine.

  45.  Gold and silver in bars, dust, or coin.

  46.  Samples of merchandise the duties on which do not exceed $1.

  It is understood that the packages or coverings in which the articles
  named in the foregoing schedule are imported shall be free of duty if
  they are usual and proper for the purpose.

And that the Government of Salvador has further stipulated that the laws and regulations adopted to protect its revenue and prevent fraud in the declarations and proof that the articles named in the foregoing schedule are the product or manufacture of the United States of America shall impose no additional charges on the importer nor undue restrictions on the articles imported; and

Whereas the Secretary of State has, by my direction, given assurance to the envoy extraordinary and minister plenipotentiary of Salvador at Washington that this action of the Government of Salvador in granting freedom of duties to the products and manufactures of the United States of America on their importation into Salvador and in stipulating for a more complete reciprocity arrangement is accepted as a due reciprocity for the action of Congress as set forth in section 3 of said act: