Photographs and slides includes photographs, framed photographs, and 35 mm slides. The photographs includes images of Dr. Guedel and his wife Florence Guedel, many of his colleagues, the Ecuadorian Expedition in 1930-1939, photographs of anesthesia equipment, and other related material.

Photographs and slides includes photographs, framed photographs, and 35 mm slides. The photographs includes images of Dr. Guedel and his wife Florence Guedel, many of his colleagues, the Ecuadorian Expedition in 1930-1939, photographs of anesthesia equipment, and other related material.

Photographs and slides includes photographs, framed photographs, and 35 mm slides. The photographs includes images of Dr. Guedel and his wife Florence Guedel, many of his colleagues, the Ecuadorian Expedition in 1930-1939, photographs of anesthesia equipment, and other related material.

Photographs and slides includes photographs, framed photographs, and 35 mm slides. The photographs includes images of Dr. Guedel and his wife Florence Guedel, many of his colleagues, the Ecuadorian Expedition in 1930-1939, photographs of anesthesia equipment, and other related material.

Photographs and slides includes photographs, framed photographs, and 35 mm slides. The photographs includes images of Dr. Guedel and his wife Florence Guedel, many of his colleagues, the Ecuadorian Expedition in 1930-1939, photographs of anesthesia equipment, and other related material.

Photographs and slides includes photographs, framed photographs, and 35 mm slides. The photographs includes images of Dr. Guedel and his wife Florence Guedel, many of his colleagues, the Ecuadorian Expedition in 1930-1939, photographs of anesthesia equipment, and other related material.

Photographs and slides includes photographs, framed photographs, and 35 mm slides. The photographs includes images of Dr. Guedel and his wife Florence Guedel, many of his colleagues, the Ecuadorian Expedition in 1930-1939, photographs of anesthesia equipment, and other related material.

Photographs and slides includes photographs, framed photographs, and 35 mm slides. The photographs includes images of Dr. Guedel and his wife Florence Guedel, many of his colleagues, the Ecuadorian Expedition in 1930-1939, photographs of anesthesia equipment, and other related material.

Photographs and slides includes photographs, framed photographs, and 35 mm slides. The photographs includes images of Dr. Guedel and his wife Florence Guedel, many of his colleagues, the Ecuadorian Expedition in 1930-1939, photographs of anesthesia equipment, and other related material.

Photographs and slides includes photographs, framed photographs, and 35 mm slides. The photographs includes images of Dr. Guedel and his wife Florence Guedel, many of his colleagues, the Ecuadorian Expedition in 1930-1939, photographs of anesthesia equipment, and other related material.