Mitchell Indiana Site Index
Purdue Artifacts Gallery


Detail of the Keuffel & Esser drafting tools branding plate, identifying this as the "Mercury" set.

This image is rotated 180° for readability.

Gus Grissom's Keuffel & Esser Co. "Mercury" drafting tools at the Grissom Memorial in Purdue Artifacts
Time picture taken Sun Nov 15 09:32:36 2015
Location picture taken Early Life Gallery
Grissom Memorial
Spring Mill State Park
Mitchell, Indiana
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