Patent for certain new and useful improvements in acetylene gas lamps, including instructions and illustrations.

Patent for tongs with gripping jaws that are removable and have variable gripping surfaces on each vertical side of the jaws.

Patent for "simple and easily-operated mechanism for opening and closing a gate and for controlling the latch thereof by the same mechanism which opens and closes the gate" (lines 12-16).

Blue line print of survey map of Trinity County, Texas, showing rivers, creeks, original land grants or surveys, cities, towns, and railroads. Scale [ca. 1:200,000] (6000 varas to the inch).

Map shows land patents, block and tract numbers, landowners, towns, and railroads; portions of adjacent counties where property boundaries extend beyond county limits. Scale not given.

Patent for eccentric cylinder rotary engine. Illustration included.

Photograph of an animal logging team at Southern Pine Lumber Company's camp 1, with high wheel slip-tongue carts, ox teams, and a car of logs. Camp 1 was near the Rayville Ranch site in Trinity County, Texas, about 13 miles northwest of Diboll. It replaced the Angelina County camp called Lindsey Springs, and lasted from about 1907-1912.

Photograph of the interior of the Southern Pine Lumber Company commissary at camp 1. Camp 1 was near the Rayville Ranch site in Trinity County, Texas, about 13 miles northwest of Diboll. It replaced the Angelina County camp called Lindsey Springs, and lasted from about 1907-1912.

Photograph of five Southern Pine Lumber Company 4-mule logging teams of camp 2. The camp was in the vicinity of Iris in Trinity County and operated from about 1907-1912.

Photograph of the interior of the company store at Southern Pine Lumber Company camp 2. The camp was in the vicinity of Iris in Trinity County and operated from about 1907-1912.

Sanborn map sheet showing an area of Groveton in Trinity County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.

Sanborn map sheet showing an area of Groveton in Trinity County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.

Sanborn map sheet showing an area of Groveton in Trinity County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.

Sanborn map sheet showing an area of Groveton in Trinity County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.

Sanborn map sheet showing an area of Groveton in Trinity County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.

Sanborn map sheet showing an area of Groveton in Trinity County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.

Photograph of a log ramp and cut pine timber near Southern Pine Lumber Company's camp 1 in Trinity County, Texas.

Photograph of a log ramp with timber and the Southern Pine Lumber Company McGiffert log loader 1 in the background, near camp 1 in Trinity County, Texas.

Photograph of a hardwood log ramp on a spur heading toward Southern Pine Lumber Company's camp 1. Camp 1 was near the Rayville Ranch site in Trinity County, Texas, about 13 miles northwest of Diboll. It replaced the Angelina County camp called Lindsey Springs, and lasted from about 1907-1912.

Photograph of shortleaf yellow pine logs on ramps near camp 2 with a McGiffert log loader and log cars in the background. The camp was in the vicinity of Iris in Trinity County and operated from about 1907-1912.

Photograph of Southern Pine Lumber Company's McGiffert log loader 1 near the company's logging camp 1 in Trinity County, Texas. Loader crewmen pose while loading logs onto rail cars.

Photograph of Southern Pine Lumber Company's McGiffert log loader 3 showing crewmen attaching a log to the loader's swinging boom. This loader was primarily used in hardwood logging operations. This is likely in Trinity County, Texas.

Photograph of rail cars loaded with cut pine timber at Southern Pine Lumber Company's camp 2. The camp was in the vicinity of Iris in Trinity County and operated from about 1907-1912.

Photograph of yellow pine timber on Southern Pine Lumber Company rail cars. These logs were cut from the J. M. Walker league in Trinity County, Texas.