Apparatus for testing the bonding strength of molding sand for possible found use.
Demonstrated by W. Parham;
1 photograph and negative;
February 12, 1959
Molding sand--test apparatus
Manuscripts, maps, fieldnotes, and photographs may be viewed in-house only. Please contact the ISGS Special Collections Curator, Anne Huber, for an appointment at 217-300-0005 or email email@example.com Monday thru Friday, 8am-noon or 1pm-5pm.