Daguerreotype Portrait of Adolphina Juliana Lisman-Meyer Said To Possibly Be Taken in Paramaribo, Suriname (1849)

Daguerreotype portrait of Adolphina Juliana Lisman-Meyer said to possibly be taken in Paramaribo, Suriname, c. 1849.

Source: Rijksmuseum.

Daguerreotype Portrait of Elisa and John McAllister (1849)

Daguerreotype portrait of Elisa (left) and John McAllister, July 23, 1849. By the Langenheim brothers.

Source.

Daguerreotype Portrait of President Zachary Taylor Taken at the White House in Washington, D.C. (1849)

Daguerreotype portrait of President Zachary Taylor taken at the White House in Washington, D.C., March 1849. By Mathew Brady.

Source.

Daguerreotype Portrait of Women of the Ladies Benevolent Sewing Society Posing Around a Table With a Quilt on it in Strongsville, Ohio (1849)

Daguerreotype portrait of women of the Ladies Benevolent Sewing Society posing around a table with a quilt on it in Strongsville, Ohio, March 29, 1849.

Source.

Daguerreotype Portrait of South Carolina Senator John C. Calhoun (1849)

Daguerreotype portrait of South Carolina Senator John C. Calhoun, 1849. By Mathew Brady.

Source.

Calotype View of Workers Standing on a Cast Iron Lighthouse Assembled Temporarily at the Foundry Where it Was Created in Philadelphia Before Its Shipment For Installation on Carysfort Reef in Florida (1849)

Calotype view of workers standing on a cast iron lighthouse assembled temporarily at the foundry where it was created in Philadelphia before its shipment for installation on Carysfort Reef in Florida, August 2, 1849. By the Langenheim brothers.

Source.
Wikipedia entry.

Daguerreotype Portrait of Dr. Jonathan Letterman at the Bedside of a Dead or Dying Patient (1849)

Daguerreotype portrait of Dr. Jonathan Letterman at the bedside of a dead or dying patient, 1849. He later became a major in the Union Army during the Civil War where he became known as the "Father of Modern Battlefield Medicine." The hospital named Camp Letterman set up after the Battle of Gettysburg was named after him. Image from the American Experience documentary called Death and the Civil War.

Caption source.
More information.