Skip to Content
You searched for
Search
Creator Perkin-Elmer Corporation Remove constraint Creator: Perkin-Elmer Corporation Subject Coal--Testing Remove constraint Subject: Coal--Testing

Search Constraints

Search Results

    • 1970s

    General view of assistant chemist Lawrence Koerber using a Perkin-Elmer Model 403 Atomic Absorption Spectrophotometer to test an ash sample in a Peabody Coal Company laboratory. Per notations accompanying the…