1824. September 2—The first permanent dyes for cotton and nipis. October 19—Wool, silk, and shellac [goma laca] are produced in Cebú.
1825. April 2—First report of the society on the establishment of a paper-mill; the second report on the same subject was issued on March 14, 1835.
1826. February 11—Spinning machinery is ordered from the United States. June 13—The first of the goods called “Coast” cambayas and kerchiefs, [but] of inferior quality, are woven and dyed, through the influence of the corporation. December 9—The cochineal insect is brought into these islands.
1827. April 24—Importation of a horse and two mares of superior blood, presented to the society in order to improve the breed in these islands.
1828. November 26—Information regarding the pine, the torch-wood [tea] of northern Luzon, and of a plant which produces a blue dye like the indigo.
1834. February 24—Reports for the acclimation of tea in Filipinas; the first trial of this cultivation was undertaken on August 14, 1837, and five hundred plants ordered from Batavia. August 8—Abacá is exported for the first time. December 12—Information upon the existence of mineral coal in Cebú, Surigao Angat, and Monte de San Mateo.
1835. March 14—Information collected regarding the silk industry in Caraga, various kinds of fiber for cordage (including one which appears suitable for replacing hemp), a bark suitable for dyeing black, and the discovery of a copper mine in Masbate. September 15—First sowing of abacá in Laguna; on March 19, 1837, the first specimens of the said product are presented.
1836. April 23—Machines for hulling rice by steam power, and on a large scale, introduced by Don Eulogio de Otaduy. Cottonseed sown in Antique, using seed from Pernambuco.
1839. July 12—Caldrons [made] of red copper from the mountains of Pangasinan.
1841. January 29—Propagation here of the cotton from North America known by the name of “[Sea] Island;” and request for seeds is sent to the United States.