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Airplane Performance as Influenced by the Use of a Supercharged Engine
"The question of the influence of a supercharged engine on airplane performance is treated here in a first approximation, but one that gives an exact idea of the advantage of supercharging. Considered here is an airplane that climbs first with an ordinary engine, not supercharged, and afterwards climbs with a supercharged engine. The aim is to find the difference of the ceilings reached in the two cases" (p. 1).
Date:
May 1920
Creator:
de Bothezat, George
Object Type:
Report
System:
The UNT Digital Library
Apparatus for Raising Liquids from Deep Wells.
Patent for improvements for raising liquids from deep wells. "It has a particular application to the raising of fused sulfur from the well in the liquid state" (lines 14-16).
Date:
May 11, 1920
Creator:
Hebert, Joseph A.
Object Type:
Patent
System:
The Portal to Texas History
AUTOMOBILE-TOOL.
Patent for an automobile tool for the Ford make of automobiles that "will hold the springs away from the bands and allow the bands to be removed and replaced or adjusted, when necessary" (lines 29-32) including instructions and illustrations.
Date:
May 4, 1920
Creator:
ROBERGE, JAMES Z.
Object Type:
Patent
System:
The Portal to Texas History
Bank-Check Writer.
Patent for a new and useful improvements in Bank-Check Writers. With this device, a blank check may be inserted and the name of the payee and the amount in figures will be typewritten.
Date:
May 18, 1920
Creator:
Wendelken, Charles
Object Type:
Patent
System:
The Portal to Texas History
Battery-Plate and Terminal Connection
Patent for improvements on a battery plate and terminal connections. Plate lugs and the terminal for the battery are a solid piece to fit more battery sizes and prevent the lugs from breaking off.
Date:
May 4, 1920
Creator:
Hawkins, Alda F.
Object Type:
Patent
System:
The Portal to Texas History
Battery Terminal Fastening
Patent for fastening "the rubber caps or tops on the cells of storage batteries in various ways." (Lines 12-14.)
Date:
May 5, 1920
Creator:
Hawkins, Alda F.
Object Type:
Patent
System:
The Portal to Texas History
Belt-Stretcher
Patent for an improvement in belt stretchers that are cheaper to make and easier to operate.
Date:
May 22, 1920
Creator:
Cherry, Warren L.
Object Type:
Patent
System:
The Portal to Texas History
Button-Fastener.
Patent for a button fastener for clothing that is not liable to damage cloth.
Date:
May 4, 1920
Creator:
Taylor, Albert Joshua
Object Type:
Patent
System:
The Portal to Texas History
Car-Axle Lubricator
Patent for improving parts of the journal box in car axles to simplify construction and enable access to the interior of the journal box for replacement or otherwise.
Date:
May 18, 1920
Creator:
Urbeita, Jose M.
Object Type:
Patent
System:
The Portal to Texas History
Check-Writer.
Patent for an automatic bank check writer that will type out the name of the payee and other figures. Rotatable type cylinders, a foot presser, and additional adjustable character dials are included in the invention objects.
Date:
May 18, 1920
Creator:
Wendelken, Charles
Object Type:
Patent
System:
The Portal to Texas History
Churn.
Patent for a churning receptacle for improvement in ease of operation, efficiency, and sanitation.
Date:
May 18, 1920
Creator:
Thompson, Robert A. & Morris, Lute P.
Object Type:
Patent
System:
The Portal to Texas History
Cold Process of Repairing Radiators of Internal-Combustion Engines.
Patent for repairing breaks in radiator pipes caused by freezing, by which can be repaired quickly and efficiently at a low cost.
Date:
May 18, 1920
Creator:
Henderson, Thomas E.
Object Type:
Patent
System:
The Portal to Texas History
Combination Steeper and Dripper.
Patent for improvements of steeper and drippers combinations, specifically for tea or coffee, where a container the same depth of the pot will be provided in order to steep grounds easily and quicker.
Date:
May 17, 1920
Creator:
Nicholls, George Habberton
Object Type:
Patent
System:
The Portal to Texas History
Combustion-Gas and Crude-Oil Burner
Patent for a burner which can be used with either gas or oil, or both at once.
Date:
May 11, 1920
Creator:
Runyan, Benjamin F.
Object Type:
Patent
System:
The Portal to Texas History
Cotton-Chopper
Patent for treating soil for agricultural purposes. This invention destroys the ridges used for planting and growing cotton and also cultivating the soil in the vicinity of the ridges.
Date:
May 11, 1920
Creator:
Kriel, John J. & Kriel, Otto J.
Object Type:
Patent
System:
The Portal to Texas History
Covertible Stock and Freight Car.
Patent for an improved process of constructing convertible stock and freight train cars, including illustrations.
Date:
May 4, 1920
Creator:
Wyatt, Everett
Object Type:
Patent
System:
The Portal to Texas History
Crude-Oil Burner.
Patent for an improvement on a crude oil burner that can adapt to various grades of crude oil as well as providing intense heat to various sizes of boilers.
Date:
May 11, 1920
Creator:
Runyan, Benjamin F.
Object Type:
Patent
System:
The Portal to Texas History
Cylindrical Structure
Patent for improvements for hollow structures of cylindrical shape that provides "for formation of such a structure of lumber and metal materials of standard dimensions and shapes that ordinarily can be obtained from commercial stocks, so that the minimum amount of shop work on materials will be required." (lines 18-22)
Date:
May 11, 1920
Creator:
Pearson, Terrell Brooks
Object Type:
Patent
System:
The Portal to Texas History
Device for Extracting Automobiles from Mud, Sand, or Ditches
Patent for a retractable device to lift and advance a vehicle over obstructions. The device can be operated from the drivers seat and can mover the vehicle forward or backward (p. 1, line 19-21).
Date:
May 18, 1920
Creator:
Nash, William A.
Object Type:
Patent
System:
The Portal to Texas History
Discharge Device for Cotton-Seed Unloaders.
Patent for a discharge device in which cotton seed can be unloaded to an elevator, conveyer, or elsewhere. The invention also has the ability to clean and cool the cotton seed while being unloaded, also making it dry which makes it in better condition for storing.
Date:
May 18, 1920
Creator:
Golloher, Charles H.
Object Type:
Patent
System:
The Portal to Texas History
Drag
Patent for a ground drag for "grading and removing refuse from the surface of the soil" (lines 10-12) that can be steered and that can gather and dispose of the dirt it levels off, including illustrations.
Date:
May 11, 1920
Creator:
Nelson, Charley E.
Object Type:
Patent
System:
The Portal to Texas History
Emblem Structure.
Patent for an improvement in emblem structures by mounting the parts of an emblem on a rigid mounting plate.
Date:
May 18, 1920
Creator:
Seastrunk, Thomas P.
Object Type:
Patent
System:
The Portal to Texas History
Emergency-Tire.
Patent for improvements in emergency tires to provide "an improved emergency tire adapted to be quickly and easily applied to the auto rim in the emergency arising by reason of the regular tire being incapacitated by a "blow-out" or other cause." (lines 12-16)
Date:
May 25, 1920
Creator:
Shannon, Harris Moore
Object Type:
Patent
System:
The Portal to Texas History
Engine Fan Belt Guard.
Patent for Engine Fan Belt Guards. This device helps the fan shift from slipping off mother vehicle engines.
Date:
May 11, 1920
Creator:
Brackett, Edward B.
Object Type:
Patent
System:
The Portal to Texas History