Dr. Aaron C. Vaughan, Bedford County, Pennsylvania gun designer

Introduction: The inventor Dr. Aaron C. Vaughan is included in this web project because of a gun patent he obtained 1862 while living in Bedford, Pennsylvania, and a corresponding patent model of the gun that survives at the Smithsonian Museum. One of his key focuses in life was improvements to nut locks: An engineering field where advancements are still being sought. One of his patents (link included below) appears to be for the common form of lock washer that is used today.

1836: Calculating from the information on his tombstone, Aaron C. Vaughan was born on July 11, 1836.

1840: In the 1840 Census of Colerain Township, Bedford County, the George Vaughn household as two males under five years old, two males in the five to ten age group, and one male in the 30 to 40 age group. One individual is engaged in agriculture.

1850: In the 1850 census of Colerain Township, George Vaughan is listed as a 44-year-old Pennsylvania-born shoemaker with a value of $500.00. Also living in the household are 40-year-old Agnes Vaughan, 22-year-old Eliza A Vaughan, 18-year-old Alexander Vaughan, 14-year-old Aaron Vaughan, 11-year-old William Vaughan, 8-year-old John Vaughan, 6-year-old Ephraim Vaughan, and 2-year-old Mary A. Vaughan, all Pennsylvania-born.

1858: The following excerpt from the 1877 book "Alumni of the Medical Department of the University of Pennsylvania 1765-1877" reveals that Alumni Aaron C. Vaughn of Pennsylvania did his essay on respiration in 1858.

1860: In the 1860 census of Colerain Township, George Vaughan is listed as a 54-year-old Pennsylvania born shoemaker with real estate valued at $1,50.00 and personal property valued at $400.00. Also living in the household are 50-year-old Agnes Vaughan, 22-year-old student of medicine Aaron Vaughan, 16-year-old Ephraim Vaughan, and 12-year-old Mary Vaughan, all Pennsylvania-born.

1860: The following excerpt from Volume 1 of 1861 book "Report of the Commissioner of Patents for the Year 1860" shows that Aaron C. Vaughn was living in Rainsburg, Pennsylvania and Johnstown, Pennsylvania in 1860. Rainsburg is in Colerain Township.

1860: Click here to see U.S. Patent 27,396 for a "Churn-dasher" (Johnstown address).

1860: Click here to see U.S. Patent 27,397 for a "Mortising-machine" (Rainsburg address).

1861: The following excerpt from the 1861 Walker map of Bedford County identifies the George Vaughan residence and shoe shop in Rainsburg.

1862: On May 27, 1862 Aaron C. Vaughn of Bedford, Pennsylvania was awarded U.S. Patent 35,404, which pertains to a double barrel revolver. Click here to see a copy of the patent in pdf format. The patent model survives in excellent condition at the Smithsonian National Museum of American History (Accession No. 49064). Here are the images from the patent:

1863-1864: The following excerpt from the 1885 book "History of Bedford, Somerset and Fulton Counties, Pennsylvania" indicates that Aaron C. Vaughn was the Assistant Surgeon for the 105th Regiment of Pennsylvania Volunteers:

1863-1864: Service in the 105th Regiment as an Assistant Surgeon is corroborated by the following composite image from the 1877 book "History of the One Hundred and Fifth Regiment of Pennsylvania Volunteers".

1863: The following excerpt from the 1864 book "Reports of the Heads of Departments, Transmitted to the Governor of Pennsylvania..." indicates that Aaron C. Vaughan received the rank of Assistant Surgeon on April 22, 1863.

1864: The following two pages from the Part III of the 1865 book "Official Army Register of the Volunteer Force of the United States Army..." show that Aaron C. Vaughan was a casualty when he was discharged on September 3, 1864.

1866: The following image is from Volume 1 of the 1867 book "Annual Report of the Commissioner of Patents for the year 1866" indicates he was living in Rainsburg and Philadelphia that year.

1866: Click here to see U.S. Patent 53,709 for "Improved burning-fluid" (Rainsburg address).

1866: Click here to see U.S. Patent 59,518 for "Lamp burner" (Philadelphia address).

1867: Click here to see U.S. Patent 71,431, "Head-light for locomotives" (Philadelphia address).

1872: Aaron C. Vaughan applied for a Civil War pension on June 3, 1872, (Application No. 175,340, Pension Certificate No. 241,302).

1875: The following composite image from the 1876 book "General Index of the Official Gazette ... of the United States Patent Office ... 1875" shows Aaron C. Vaughn living in Rainsburg, and gives a spelling variation of the surname.

1875: Click here to see U.S. Patent 159,482 (Rainsburg address).

1876: The following excerpt from the 1876 Atlas of Bedford County, Pennsylvania shows the residence of Dr. A.C. Vaughan. It is the same lot that was marked Geo. Vaughan on the 1861 Walker map of Bedford County. The house was located approximately at 39.893550, -78.517240.

1877: A web page about Dr. Andrew Toland of Shane's Crossing, Ohio indicates that he and Elizabeth Campbell were wedded on June 6, 1854. The web page also reports that Dr. Toland died in 1874 and his widow Elizabeth married Dr. Aaron C. Vaughan in 1877.

1879: The following excerpt is from the 1879 book Specifications and Drawings of Patents Issued From the United States Patent Office for February 1879, and shows Aaron C. Vaughan living at Shane's Crossing, Ohio.

1879: Click here to see a copy of U.S. Patent 212,769 in pdf format.

1879: Click here to see the 1879 nut lock patent (U.S. Pat. 219,783) of Aaron C. Vaughan.

1880: Click here to see the 1880 railroad rail patent (U.S. Pat. 226,811) of Aaron C. Vaughan.

1882: Click here to see the 1882 railroad rail patent (U.S. Pat. 264,976) of Aaron C. Vaughan.

1886: The following item from Volume 5 of the 1887 book "The Miscellaneous Documents of the House of Representatives" shows that the inventor Aaron C. Vaughn was living in Ohio in 1886.

1886: Click here to see U.S. Patent 337,801 in pdf format.

1886: Click here to see U.S. Patent 349,674 in pdf format.

1888: The following composite image from the "Annual Report of the Commissioner of Patents" shows that the inventor Aaron C. Vaughn was living in Ohio in 1888.

1888: Click here to see U.S. Patent 389,027.

1888: Click here to see U.S. Patent 391,284.

1890: Click here to see the 1890 lock nut patent (U.S. Pat. 419,385) of Aaron C. Vaughan.

1890: Click here to see the 1890 lock nut patent (U.S. Pat. 423,193) of Aaron C. Vaughan.

1890: Click here to see the 1890 nut lock patent (U.S. Pat. 431,296) of Aaron C. Vaughan.

1891: Click here to see the 1891 nut lock patent (U.S. Pat. 449,983) of Aaron C. Vaughan. This invention appears to be related to the common form of lock washer that is now in use. This patent reveals that the town known as Shane's Crossing had been renamed Rockford.

1892: The following extract from the 1893 book "Reports of Secretary and Treasurer of the Third Army Corps Union ... May 5th, 1892" shows that the Aaron C. Vaughn of Shanes Crossing, Ohio is the same individual who was an Assistant Surgeon in the 105th Pennsylvania Infantry.

1894: The following excerpt is from Volume 8 of the 1895 book "Miscellaneous Documents of the House of Representatives ... 1894-95", and identifies a patent by Aaron C. Vaughan that appears to be related to the common form of lock washer that is now in use.

1894: Click here to see U.S. Patent 516,285 in pdf format.

1911: Aaron C. Vaughan's wife Elizabeth is buried in the Riverside Cemetery (40.69783991, -84.65774440) at Rockford, Mercer County, Ohio. Her side of their shared tombstone states, "Elizabeth A. Vaughan died mar. 19, 1911 aged 77Y. 9M. 14D."

1919: Aaron C. Vaughan is buried in the Riverside Cemetery (40.69783991, -84.65774440) at Rockford, Mercer County, Ohio. His side of their shared tombstone states "A. C. Vaughan died July. 16, 1919 aged 83 Y. 5D."

The following notice of Aaron C. Vaughan's death was published in Volume 73 of the "Journal of the American Medical Association".

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