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Photo Scales

SKU: PHOTOSCALES

: Each



Features & Benefits
On one side is the Photo Scale, calibrated boldly in centimeters (10) and U.S. inches (4). Includes a GSA seal for fine focus and an evaluation scale for granular material from 1 to 5 millimeters diameter. The reverse side includes the complete GSA Geologic Time Scale. 150 x 55mm.

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