Showing 31 results
Archival description31 results with digital objects Show results with digital objects
Instrumentation, 1964; man in a lab coat using a screwdriver to repair a vapor fractometer recorder [2 of 2]
Instrumentation, 1964; man in a lab coat using a screwdriver to repair a vapor fractometer recorder [1 of 2]
Instrumentation, 1964; man in a lab coat turning a dial on a piece of instrumentation equipment [2 of 2]
Instrumentation, 1964; man in a lab coat turning a dial on a piece of instrumentation equipment [1 of 2]
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