4 Matching Results

Search Results

Advanced search parameters have been applied.

in subjects: "Business, Economics and Finance - Logging"

A digging machine that can dig its way right up a straight bank J5G, Photo 16, L-7399

Photograph of one of LeTourneau's digging machines, which was capable of digging its way right up a straight bank as seen here. The photo was taken on 1955-04-14, according to the filename given to the image.

Date: April 14, 1955

Creator: R.G. LeTourneau, Inc.

Item Type: Photograph

Partner: LeTourneau University Margaret Estes Library

A digging machine that can dig its way right up a straight bank J5G, Photo 17, L-7395

Photograph of a digging machine that can dig its way right up a straight bank. Unsure of Model number.

Date: April 14, 1955

Creator: R.G. LeTourneau, Inc.

Item Type: Photograph

Partner: LeTourneau University Margaret Estes Library

Log-Carrier.

Patent for a log-carrier that improves on a patent previously granted to Robert E. Terry (No. 481,314). The adjusting lever is made to be more powerful so the log chains can be moved with less friction and will not slip from their guides. Ratchets and pawls prevent the tongue from moving.

Date: May 14, 1895

Creator: Carroll, Joseph Alexander

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Log-Loading Mechanism.

Patent for a machine that hauls and loads logs upon cars from either side of the track, or both sides at once. The machine can easily be transported on a car. The machine "consists, essentially, in a platform of about the length of an ordinary log-car and of a height and width to enable it to span the same, mounted upon which are a steam engine and a boiler and a rotating crane, said platform being provided with pivoted legs for holding it above the track, with pivoted legs for holding it above… more

Date: April 14, 1896

Creator: Fletcher, William Andrew