Patent for a new and improved blind-stop. This design is "to provide a cheap and simple device designed to be secured to a window-casing and be interposed between any two adjacent pivoted slats, and thus support the same and the series in an open position and against accidental closing by their own weight or by the wind" (lines 9-16). It consists in the "holder for slats of blinds, consisting of a spring-metal strip bent at its center to form an eye and opposite terminals, the latter being adapted to be interposed between two adjacent slats, and the ends of the terminals oppositely bent" (lines 72-77).

Patent for a new and improved electric battery. This design consists "[i]n an electric generator, a receptacle for steam, and means for admitting steam thereto, in combination with electrodes consisting of two parallel disks suspended within said steam-receptacle, electrodes of opposite polarity to the aforesaid electrodes arranged between the disks of the first-named electrodes, a shaft extending through the said receptacle upon which the latter electrodes are mounted, and means for rotating the said shaft" (lines 41-50).

Copy of transcript for a letter from Juana Shas. de Mendiola to Cristoval Mendiola.

Letter from Arnulfo Zamora in Laredo, Texas, to John J. Herrera in Houston, Texas. Zamora acknowledged receipt of Herrera's letter from March 13, 1947 regarding the application of Felix H. Morales for a radio station permit.

Minutes of the Supreme Council Meeting of the League of United Latin American Citizens held at the Hamilton Hotel in Laredo, Texas, on August 18-19, 1951.

Report of the National Treasurer, League of United Latin American Citizens, Laredo, Texas, for Cash Receipts and Disbursements, June 24, 1951-June 19, 1952. This report was submitted by Felix Garcia, Jr., LULAC National Treasurer on June 19,1952.

Daily Spanish-language newspaper from Laredo, Texas that includes local, state and national news along with extensive advertising.

Daily Spanish-language newspaper from Laredo, Texas that includes local, state and national news along with extensive advertising.

Daily Spanish-language newspaper from Laredo, Texas that includes local, state and national news along with extensive advertising.

Daily Spanish-language newspaper from Laredo, Texas that includes local, state and national news along with extensive advertising.

Daily Spanish-language newspaper from Laredo, Texas that includes local, state and national news along with extensive advertising.

Daily Spanish-language newspaper from Laredo, Texas that includes local, state and national news along with extensive advertising.

Daily Spanish-language newspaper from Laredo, Texas that includes local, state and national news along with extensive advertising.

Daily Spanish-language newspaper from Laredo, Texas that includes local, state and national news along with extensive advertising.

Daily Spanish-language newspaper from Laredo, Texas that includes local, state and national news along with extensive advertising.

Daily Spanish-language newspaper from Laredo, Texas that includes local, state and national news along with extensive advertising.

Daily Spanish-language newspaper from Laredo, Texas that includes local, state and national news along with extensive advertising.

Daily Spanish-language newspaper from Laredo, Texas that includes local, state and national news along with extensive advertising.

Daily Spanish-language newspaper from Laredo, Texas that includes local, state and national news along with extensive advertising.

Daily Spanish-language newspaper from Laredo, Texas that includes local, state and national news along with extensive advertising.

Photograph of the Yruegas and Company Electric Apparatus (located at 714 Matamoros) in Los Ojuelos, Texas.

Photograph of the Yruegas and Company Electric Apparatus (located at 714 Matamoros) in Los Ojuelos, Texas.

Photograph of a historic property located at 702 Matamoros in Los Ojuelos, Texas.

Photograph of the Madam's in Los Ojuelos, Texas.