Physiology-Soils PM Negatives 125-127

Title

Physiology-Soils PM Negatives 125-127

Creator

Date

1945

Format

Description

Stage micrometer.
#125, 96X magnification.
#126, 230Xmagnification.
#127, 368Xmagnification.

Photographed by B. Krauss, February 5, 1945.

Subject