This item is part of a series of photographs from a scrapbook created by Donald Joseph Zinn, an employee and later a research fellow at the Bass lab. These images were most likely taken in the early 1930s.

This item is part of a series of photographs from a scrapbook created by Donald Joseph Zinn, an employee and later a research fellow at the Bass lab. These images were most likely taken in the early 1930s.

This item is part of a series of photographs from a scrapbook created by Donald Joseph Zinn, an employee and later a research fellow at the Bass lab. This image was most likely taken in the early 1930s and the subject may ...

This item is part of a series of photographs from a scrapbook created by Donald Joseph Zinn, an employee and later a research fellow at the Bass lab. This image was most likely taken in the early 1930s and appears to feature ...

This item is part of a series of photographs from a scrapbook created by Donald Joseph Zinn, an employee and later a research fellow at the Bass lab. These images were most likely taken in the early 1930s.

This item is part of a series of photographs from a scrapbook created by Donald Joseph Zinn, an employee and later a research fellow at the Bass lab. These images were most likely taken in the early 1930s. The man in the ...

This item is part of a series of photographs from a scrapbook created by Donald Joseph Zinn, an employee and later a research fellow at the Bass lab. This image was most likely taken in the early 1930s and features a man ...

This item is part of a series of photographs from a scrapbook created by Donald Joseph Zinn, an employee and later a research fellow at the Bass lab. This image was most likely taken in the early 1930s and features laboratory ...

This item is part of a series of photographs from a scrapbook created by Donald Joseph Zinn, an employee and later a research fellow at the Bass lab. These images were most likely taken in the early 1930s.

This item is part of a series of photographs from a scrapbook created by Donald Joseph Zinn, an employee and later a research fellow at the Bass lab. This image was most likely taken in the early 1930s.