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[Letter from John Click to Patent Attorneys]

Description: Letter from John J. Click to patent attorneys in Washington D.C. describing an invention for a windmill with a pump that he wants to submit for patent. He describes the specifications for the design and the models that he is sending with the text.
Date: unknown
Creator: Click, John J.
Item Type: Refine your search to only Letter
Partner: Private Collection of J. K. Johnson

Wild Well Control

Description: Patent for a device to help get oil or gas wells back under control from a distance if they have developed excessive gas pressure which may cause fluid to blow out of the well or fires.
Date: July 11, 1933
Creator: Whitwam, Wallace W.
Item Type: Refine your search to only Patent
Partner: Private Collection of Mike Cochran

Average Head - Capacity Curve: Hale Universal Pumper

Description: Detailed intersecting line-graph that shows a motor’s revolution per minute (R.P.M) and the head capacity of a generator. The left side of the graph shows the “Pressure in Pounds per Square Inch” starting at 80 and increases by 20 until 280. On the right side of the graph portrays the Motor and Pump R.P.M starting at 2000 and increasing by 100 until 3400.
Date: June 21, 1937
Creator: Hale Fire Pump Co., Inc.
Item Type: Refine your search to only Image
Partner: Private Collection of Mike Cochran

[Specifications for Engine Model 3-71]

Description: Schematics with three different views of an engine denoting several technical aspects of the three (3) cylinder five (5) stroke engine. Specific annotations include a 3 1/4 O.D. Exhaust Pipe, the approximate center of gravity, the engine CPLG. face, the clutch lever, and the instrument panel and controls. Along with these specific annotations numerical annotations are seen denoting specific distances parts should be manufactured.
Date: March 22, 1938
Creator: General Motors Sales Corporation
Item Type: Refine your search to only Technical Drawing
Partner: Private Collection of Mike Cochran

[Specifications for Engine Model 4-71]

Description: Schematics with three different views of an engine denoting several technical aspects of the four (4) cylinder five (5) stroke engine. Specific annotations include a 3 1/4 O.D. Exhaust Pipe, the approximate center of gravity, the engine CPLG. face, the clutch lever, and the instrument panel and controls. Along with these specific annotations numerical annotations are seen denoting specific distances parts should be manufactured.
Date: March 22, 1938
Creator: General Motors Sales Corporation
Item Type: Refine your search to only Technical Drawing
Partner: Private Collection of Mike Cochran

[Specifications for Engine Model 6-71]

Description: Schematics with three different views of an engine denoting the 3 1/4 inch exhaust pipe, the approximate center of gravity, the engine CPLG face, the clutch lever, and the instrument panel & controls. In addition to these annotations specifications for sizes are marked with all numbers being designed inches.
Date: March 22, 1938
Creator: General Motors Sales Corporation
Item Type: Refine your search to only Technical Drawing
Partner: Private Collection of Mike Cochran

[Specifications for Hood Fire Protection no. D-52Y]

Description: Schematics with a front facing view and side view of the fire protection hood denoting the complete assembly and the heat mask & skull guard assembly. In addition to the two full size technical drawings, a third smaller cross-section drawing of the seam construction is visible in the top right corner. Each portion of this technical drawing has specific measurements used for the construction of this piece of safety gear.
Date: unknown
Item Type: Refine your search to only Technical Drawing
Partner: Private Collection of Mike Cochran

[Flyer for Hale Universal Pumper]

Description: Flyer advertising the Hale Universal Pumper, sold by Hale Fire Pump Co., with a photograph of the pump engine in the center of the page. Stamp on the back says, "Tex Bradford, Phone 7274, Corpus Christi, Texas."
Date: unknown
Creator: Hale Fire Pump Co., Inc.
Item Type: Refine your search to only Pamphlet
Partner: Private Collection of Mike Cochran

Fire Fighting Apparatus: Catalog Number 20

Description: Catalog for the American-La France Fire Engine Company providing a listing of fire engines and supplementary apparatus for sale with illustrations, general specifications, and photographs of use for each. The catalog also provides a history of the company, thorough explanation of the manufacture and details of the engines and parts (with illustrations), a list of locations using their equipment, and an account regarding the use of an American La France pump in Alaska.
Date: 1923
Creator: American LaFrance Fire Engine Company
Item Type: Refine your search to only Book
Partner: Dallas Firefighters Museum

The "Eclipse" Quilter. Assignment of Territory for State, County, Town or Shop Rights [Signed]

Description: Legal document assigning rights of the "Eclipse" quilting frame to L. D. Major, allowing him to sell the invention in “all of the states and territory of the United States _east_ of the Mississippi River, _except_ the states of _New York and Pennsylvania_.” A smaller statement is affixed with a seal, noting that the assignment has been registered with the U.S. Patent Office.
Date: {1897-05-19,1897-10-14}
Creator: Major, John H.
Item Type: Refine your search to only Legal Document
Partner: Private Collection of J. K. Johnson

[Notes about Ammonium Nitrate]

Description: Yellow flashcard with brief information pertaining to ammonium nitrate and ammonium nitrite. Each chemical compound formula is provided for both chemical compounds. An additional comment is mentioned about ammonium nitrate that it can be used in fertilizer and ammonium saltpeter.
Date: unknown
Item Type: Refine your search to only Text
Partner: Private Collection of Mike Cochran
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