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- Older Woman in Plain Dress and Day Cap, circa 1865 - Ambrotypes (meaning, "imperishable pictures") were popular in the mid-1850s through the 1860s. Glass plates coated with photosensitive collodion were exposed in cameras while wet. The resulting image on glass, backed with black material, appeared as a photographic positive. Ambrotypes replaced daguerrotypes as an affordable and convenient alternative; however, improvements in photographic processes soon led to widespread adoption of the tintype.

- circa 1860
- Collections - Artifact
Older Woman in Plain Dress and Day Cap, circa 1865
Ambrotypes (meaning, "imperishable pictures") were popular in the mid-1850s through the 1860s. Glass plates coated with photosensitive collodion were exposed in cameras while wet. The resulting image on glass, backed with black material, appeared as a photographic positive. Ambrotypes replaced daguerrotypes as an affordable and convenient alternative; however, improvements in photographic processes soon led to widespread adoption of the tintype.
- Portrait of a Man, circa 1860 - Ambrotypes (meaning, "imperishable pictures") were popular in the mid-1850s through the 1860s. Glass plates coated with photosensitive collodion were exposed in cameras while wet. The resulting image on glass, backed with black material, appeared as a photographic positive. Ambrotypes replaced daguerrotypes as an affordable and convenient alternative; however, improvements in photographic processes soon led to widespread adoption of the tintype.

- circa 1860
- Collections - Artifact
Portrait of a Man, circa 1860
Ambrotypes (meaning, "imperishable pictures") were popular in the mid-1850s through the 1860s. Glass plates coated with photosensitive collodion were exposed in cameras while wet. The resulting image on glass, backed with black material, appeared as a photographic positive. Ambrotypes replaced daguerrotypes as an affordable and convenient alternative; however, improvements in photographic processes soon led to widespread adoption of the tintype.
- Portraits of Dr. Alonson B. Howard, circa 1865-1866 and Cynthia Coryell Edmunds Howard, circa 1858-1860 - Alonson Howard, Jr., a doctor practicing medicine in Tekonsha Township, Michigan, married his second wife, Cynthia Coryell Edmunds, in August 1858. Dr. Howard's first wife had passed away a year earlier. Cynthia became a caring stepmother to Alonson's two sons, and the couple would have four children of their own.

- circa 1858-circa 1865
- Collections - Artifact
Portraits of Dr. Alonson B. Howard, circa 1865-1866 and Cynthia Coryell Edmunds Howard, circa 1858-1860
Alonson Howard, Jr., a doctor practicing medicine in Tekonsha Township, Michigan, married his second wife, Cynthia Coryell Edmunds, in August 1858. Dr. Howard's first wife had passed away a year earlier. Cynthia became a caring stepmother to Alonson's two sons, and the couple would have four children of their own.
- Portrait of a Woman, circa 1860 - Ambrotypes (meaning, "imperishable pictures") were popular in the mid-1850s through the 1860s. Glass plates coated with photosensitive collodion were exposed in cameras while wet. The resulting image on glass, backed with black material, appeared as a photographic positive. Ambrotypes replaced daguerrotypes as an affordable and convenient alternative; however, improvements in photographic processes soon led to widespread adoption of the tintype.

- circa 1860
- Collections - Artifact
Portrait of a Woman, circa 1860
Ambrotypes (meaning, "imperishable pictures") were popular in the mid-1850s through the 1860s. Glass plates coated with photosensitive collodion were exposed in cameras while wet. The resulting image on glass, backed with black material, appeared as a photographic positive. Ambrotypes replaced daguerrotypes as an affordable and convenient alternative; however, improvements in photographic processes soon led to widespread adoption of the tintype.
- Portrait of Thomas Edison While Working on the Grand Trunk Railroad, 1859-1862 - Ambrotypes (meaning, "imperishable pictures") were popular in the mid-1850s through the 1860s. Glass plates coated with photosensitive collodion were exposed in cameras while wet. The resulting image on glass, backed with black material, appeared as a photographic positive. Ambrotypes replaced daguerrotypes as an affordable and convenient alternative; however, improvements in photographic processes soon led to widespread adoption of the tintype.

- 1859-1862
- Collections - Artifact
Portrait of Thomas Edison While Working on the Grand Trunk Railroad, 1859-1862
Ambrotypes (meaning, "imperishable pictures") were popular in the mid-1850s through the 1860s. Glass plates coated with photosensitive collodion were exposed in cameras while wet. The resulting image on glass, backed with black material, appeared as a photographic positive. Ambrotypes replaced daguerrotypes as an affordable and convenient alternative; however, improvements in photographic processes soon led to widespread adoption of the tintype.
- Portrait of a Young Man, circa 1860 - Ambrotypes (meaning, "imperishable pictures") were popular in the mid-1850s through the 1860s. Glass plates coated with photosensitive collodion were exposed in cameras while wet. The resulting image on glass, backed with black material, appeared as a photographic positive. Ambrotypes replaced daguerrotypes as an affordable and convenient alternative; however, improvements in photographic processes soon led to widespread adoption of the tintype.

- circa 1860
- Collections - Artifact
Portrait of a Young Man, circa 1860
Ambrotypes (meaning, "imperishable pictures") were popular in the mid-1850s through the 1860s. Glass plates coated with photosensitive collodion were exposed in cameras while wet. The resulting image on glass, backed with black material, appeared as a photographic positive. Ambrotypes replaced daguerrotypes as an affordable and convenient alternative; however, improvements in photographic processes soon led to widespread adoption of the tintype.
- Portrait of a Woman, 1859-1860 - Ambrotypes (meaning, "imperishable pictures") were popular in the mid-1850s through the 1860s. Glass plates coated with photosensitive collodion were exposed in cameras while wet. The resulting image on glass, backed with black material, appeared as a photographic positive. Ambrotypes replaced daguerrotypes as an affordable and convenient alternative; however, improvements in photographic processes soon led to widespread adoption of the tintype.

- 1859-1860
- Collections - Artifact
Portrait of a Woman, 1859-1860
Ambrotypes (meaning, "imperishable pictures") were popular in the mid-1850s through the 1860s. Glass plates coated with photosensitive collodion were exposed in cameras while wet. The resulting image on glass, backed with black material, appeared as a photographic positive. Ambrotypes replaced daguerrotypes as an affordable and convenient alternative; however, improvements in photographic processes soon led to widespread adoption of the tintype.
- Abraham Lincoln Ambrotype Portrait and Presidential Election Campaign Badge, 1860 - This portrait of Abraham Lincoln was used as a campaign badge during the 1860 presidential election. It was originally housed in an oval brass frame and pinned to one's clothing. The ambrotype is based on a photograph of Lincoln taken by Mathew B. Brady on February 27, 1860. Lincoln was in New York City to give a speech at Cooper Union.

- 1860
- Collections - Artifact
Abraham Lincoln Ambrotype Portrait and Presidential Election Campaign Badge, 1860
This portrait of Abraham Lincoln was used as a campaign badge during the 1860 presidential election. It was originally housed in an oval brass frame and pinned to one's clothing. The ambrotype is based on a photograph of Lincoln taken by Mathew B. Brady on February 27, 1860. Lincoln was in New York City to give a speech at Cooper Union.
- Handcolored Ambrotype of John Salmon ("Rip") Ford, circa 1856 - John Salmon Ford (1815-1897) posed in a fringed buckskin outfit for this ambrotype sometime in the late 1850s. Around this time, Ford served as a Texas Ranger fighting the Indigenous peoples and quelling border tensions with Mexico. Ford later became a colonel in the Confederate cavalry, leading his forces at the Battle of Palmito Ranch, the last military engagement of the Civil War.

- circa 1856
- Collections - Artifact
Handcolored Ambrotype of John Salmon ("Rip") Ford, circa 1856
John Salmon Ford (1815-1897) posed in a fringed buckskin outfit for this ambrotype sometime in the late 1850s. Around this time, Ford served as a Texas Ranger fighting the Indigenous peoples and quelling border tensions with Mexico. Ford later became a colonel in the Confederate cavalry, leading his forces at the Battle of Palmito Ranch, the last military engagement of the Civil War.
- Portraits of Dr. Alonson B. Howard, circa 1860-1865, and Cynthia Coryell Edmunds Howard, 1870-1875 - Alonson Howard, Jr., a doctor practicing medicine in Tekonsha Township, Michigan, married his second wife, Cynthia Coryell Edmunds, in August 1858. Dr. Howard's first wife had passed away a year earlier. Cynthia became a caring stepmother to Alonson's two sons, and the couple would have four children of their own.

- circa 1860-circa 1875
- Collections - Artifact
Portraits of Dr. Alonson B. Howard, circa 1860-1865, and Cynthia Coryell Edmunds Howard, 1870-1875
Alonson Howard, Jr., a doctor practicing medicine in Tekonsha Township, Michigan, married his second wife, Cynthia Coryell Edmunds, in August 1858. Dr. Howard's first wife had passed away a year earlier. Cynthia became a caring stepmother to Alonson's two sons, and the couple would have four children of their own.