Diagram Art

Antique Massey-Ferguson Tractor Patent 1935

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Formational Map of Pickett's Charge - Battle of Gettysburg

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Coca Cola Bottle Vending Machine Patent 1952

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Toro Lawn Mower Patent 1971

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Vintage Football Helmet Patent 1956

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Cherokee Nation of Indians 1884

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Antique Map of Helena Montana 1875

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Chart for Teaching Piano Patent 1944 #2

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Map of Springfield Ohio 1884

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Antique World Map in Hemispheres 1794

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Vintage Map of Palisade of the Potomac 1890

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Siege of Vicksburg 1863

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Vintage Map of Greater Los Angeles 1932

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NYC Subway Map

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Erie Railway 1869

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Vintage Safety Device for Skis Patent 1952

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Engine Patent 1920

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Vintage Monopoly Game Patent #1

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John Deere Tractor Patent 1933 #1

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Map of the Extent of the British Empire 1886

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Winchester Slide Action Firearm Patent 1933

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Vintage Henry Ford Tractor Patent

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John Deere Tractor Patent 1939

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Antique Massey-Ferguson Tractor Patent 1935 #3

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Vintage Map of Dayton Ohio 1870

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Baseball Patent 1928

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Baseball Pitching Machine Patent 1964

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Stove Design and Patent 1886

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Shotgun Cartridge Patent

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Antique Winchester Rifle Patent 1904

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Ice Box Patent 1917

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Medical Syringe Patent 1954 #1

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John Deere Tractor Patent 1933 #3

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Antique Map of Brooklyn and New York City 1866

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Vicksburg and Its Defenses

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Antique Map of Grand Rapids Michigan 1868

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Vintage Automatic Pistol Patent

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Terre Haute Indiana Bus Routes Map

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Audio Headphone Patent 1963

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Ford Mustang Automobile Body Patent 1986 #1

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Medical Syringe Patent 1954

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Map of Dallas 1872

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Birds Eye View Map of San Francisco 1846

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Vintage Map of New York City 1929

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Vintage Stethoscope Patent

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Gas Operated Semi-Automatic Pistol

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Vintage Ford Automobile Chassis Patent 1935

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Antique Browning Breech Loading Rifle 1892

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Antique Map of Cleveland Ohio 1887

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Antique Smith and Wesson Patent for a Metallic Cartridge 1860 #3

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Map of Dallas 1905

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Vintage Boxing Glove Patent 1927

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Vintage Shoulder Pad Patent 1956

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Antique Cleaning Knife Patent 1909 #1

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Ford Vehicle Transmission Patent 1959

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Pearl Harbor Topographic Map

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Golf Putter Patent 1970

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New York Central and Hudson River Railroad 1900

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Vintage Map of Durham North Carolina 1891

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Antique Bicycle Saddle Patent 1898

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Machine Gun Patent 1920

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Vintage Stethoscope Patent #2

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Vintage Violin Patent

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Vintage Surgical Instrument Patent #3

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Vintage Surgical Stitching Instrumet

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Vintage Surgical Instrument for Bile Duct Explorations

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Adjustable Shotgun Choke Control Patent

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Hunting and Fishing Vest Patent

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Dual Sights for Double-Barrel Shotgun

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Arrow Patent

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Antique Lamp Post Attachment Patent

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Antique Lamp Post Patent

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