Photomicrographs of diatoms
By: by Wardlaw M. Hammond
Publisher: the photographer
Published: 1937
Place of publication: Overbrook, Penn
Language: eng
Number of pages: 29
Subjects: Diatoms; Pictorial works
Notes: Photomicrographs of diatoms at different magnifications. All but two images mounted on mat board.

Most images are signed by Wardlaw M. Hammond.

Many images are dated from 1937 through 1938.

Most images are identified with some annotations.

Most images and the guide include reference numbers.

Two are labeled "Exhibit. Photographic Society of Philadelphia."

Guide compiled by Robert K. Edgar, May 1990.